Choose any one. Hope you like one of them.
Sachetan .... awake, rational
Sachin .... Lord Indra
Sagar .... ocean, sea
Sagardutt .... gift of ocean
Sadanand .... always joyous, Lord Vishnu
Sadashiv .... one who always does good, Lord Shiva
Sahastrabahu .... one with thousand arms, Lord Shiva
Sahastrajit .... victor of thousands, thousand times victorious, Lord Krishna, Lord Vishnu
Salaj .... water which flows from melted ice from mountain
Salil .... water
Samar .... war
Samarendra .... Lord of war, Lord Vishnu
Samarjit .... victorious in war, Lord Vishnu
Sambodh .... complete knowledge
Samir / sameer .... breeze
Sampat .... well to do
Samrat .... emperor
Samudra .... sea
Sanat .... Lord Bramha
Sandeep .... lighted lamp, to lighten up
Sanjay .... victory, Lord Shiva, Dhritarashtra's minister
Sanjeev .... one who can bring back the dead to life, life, love
Sanjog .... coincidence
Sankara, Shankar .... Lord Shiva
Sapan .... dream ( Swapna )
Santosh .... happiness
Sarasvat .... learned
Sarang .... spotted deer, moon, sun, Lord Krishna
Sarvesh .... master of all, God, king
Satish .... god of truth
Satya .... truth
Satyadarshi .... one who can see the truth
Satyajit .... victory of truth
Satyamurty .... statue of truth
Satyanarayan .... Lord Vishnu
Satyaprakash .... light of truth
Satyavan .... one who speaks truth
Satyavrat .... one who has taken the vow of truth
Satyendra .... Lord of truth ( Satyen), elixir , amrit
Saurav .... divine, celestial
Saurabh .... fragrance, mango, saffron
Savitendra .... sun
Senajit .... conquerer of an army
Shailendra .... king of mountains, Himalaya
Shakunt .... blue jay
Shalin .... modest
Shambhu .... Lord Shiva
Shankar .... Lord Shiva, auspicious
Shankhdhar .... one who carries a conch shell ( Lord Vishnu)
Shankhapani .... same as Shankhadhar
Shankhi .... ocean, Lord Vishnu
Shaktidhar .... powerful one, Kartikeya
Sharad .... name of a season
Sharatchandra .... moon in Sharad season
Sharvarish .... moon
Shailesh .... God of mountain, Himalaya
Shami .... fire, name of a tree
Shashee .... moon
Shashank .... moon
Shashibhushan .... one who wears moon as ornament (Lord Shiva)
Shashidhar .... one who carries moon (Lord Shiva)
Shashikant .... moon stone
Shashikar .... moon ray
Shashipushpa .... lotus
Shashishekhar .... one with moon at the top of head - Lord Shiva
Shashwat .... ever lasting, continuous
Shardul .... tiger
Shatrughna .... destroyer of enemies, Lord Rama's brother
Shatrunjay .... one who defeats enemies
Shail .... mountain
Shailesh .... God of mountain ( Himalaya)
Shailendra .... God of mountain ( Himalaya)
Shaildhar .... one who holds mountain ( Lord Krishna)
Shekhar .... mountain peak
Sheshdhar .... one who holds Shesha (snake) - Lord Shiva
Shikhar .... mountain peak
Shirish .... name of a tree
Shishir .... name of a season, cold
Shiv .... Lord Shiva, auspicious, lucky
Shivanand .... one who is happy in Lord Shiva's thoughts or Shiva's worship
Shivkumar .... son of Lord Shiva (Ganesh, Kartikeya) ( Shivanandan )
Shivshekhar .... one at the top of Shiva (moon)
Shree .... Mr, God
Shreedhar .... husband of Lakshmi ( Lord Vishnu)
Shreekant .... husband of Shree(Lakshmi) ( Lord Vishnu ), beautiful
Shreekanth, shrikanth .... Shiva
Shreekumar , shrikumar .... beautiful
Shreekrishna , shrikrishna .... Krishna
Shreenivas , shrinivas .... abode of Lakshmi (vaikunth, Vishnu)
Shreyas .... superior
Shubhranshu .... moon, camphor
Shvetang .... fair complexioned
Shvetank .... having a white mark
Shwetbhanu .... moon
Shwetambar .... one who wearswhite clothes, Lord Shiva
Shwetanshu .... moon
Shyam .... dark blue, black
Shyamal .... black, dark blue
Shyamsundar .... dark and handsome, Lord Krishna
Siddharth .... the blessed one, Buddha, white mustard
Siddhanath .... Mahadev (Lord Shiva)
Sitaram .... Sita & Lord Rama
Sohan .... good looking
Somanshu .... moon ray
Somnath .... lord of moon (Lord Shiva)
Somkar .... moon light
Somprakash .... moon light
Snehal .... friendly
Srikant .... lover of wealth
Srinivas .... abode of wealth
Sriram .... Lord Rama
Sridhar .... wealthy person
Subodh .... sound advice, easily understood
Subhadr .... gentleman
Subhas .... shining
Subhash .... soft spoken
Suchir .... eternal
Sudarshan , sudarsh .... good looking
Sudeep .... bright
Sudeepta .... bright
Sudesha .... good country
Sudeva .... good Deva
Sudhakar .... mine of nectar, moon
Sudama .... meek or humble person, Lord Krishna's pauper friend
Sudhanshu .... moon, camphor
Sudhindra .... God of wisdom
Sudhir .... resolute, brave
Sudhish .... Lord of excellent intellect
Sughosh .... one with melodious voice
Sugriva .... one with graceful neck, king of monkeys
Suhas .... one with beautiful smile/ laughter
Sujat .... belonging to a good clan
Sujan .... a good person
Sujit .... victory
Sukanth .... one with a sweet voice, one with graceful neck
Sukarma .... one who does good deeds
Sukhdev .... god of happiness
Sukhwant .... full of happiness, pleasant
Sukrant .... extremely beautiful
Sukumar .... handsome, soft, tender
Sulabh .... easy to get
Sulalit .... graceful
Sumant .... king's minister, intelligent person
Sumanyu .... heaven
Sumit .... well measured
Sumitr .... good friend
Sumitranandan .... sons of Sumitra (Lakshman & Shatrughna)
Sunam .... good name ( fame)
Sunandan .... happy
Sunay .... best neeti, best path of life
Sundar .... beautiful, pleasant to the eyes/ears
Sunil .... dark blue, red lotus, pomegranate tree
Suparn .... one with nice feathers ( Garud)
Suraj .... sun (Surya)
Suresh .... godof suras (Lord Indra)
Surendra .... lord of suras (Lord Indra)
Surjeet .... conquerer of the suras ( sur - god, opposite of Asur(demon) )
Surnath .... Lord Indra, lord of suras
Surya .... sun
Suryabhan .... sun
Suryakant .... loved by the sun, a shining crystal
Suryaprakash .... sunlight
Sushant .... quiet, peaceful person
Sushil .... virtuous
Sutosh .... one who becomes happy easily
Suvrata .... strict in religious vows (Subrata)
Suyash .... good result, victory
Swagat .... welcome
Swaraj .... liberty, freedom
Swarup .... figure
Swapnesh .... king of dreams
Swapnil .... seen in a dream, dreamy