Solomon = "peaceful"
derivation: of Hebrew origin (08010)
http://bible.crosswalk.com/Lexicons/Greek/grk.cgi?number=4672&version=kjv

(08010)
Solomon = "peace"
derivation: from (07965)
http://bible.crosswalk.com/Lexicons/Hebrew/heb.cgi?number=8010&version=kjv

(07965)
1] completeness, soundness, welfare, peace
   1.a] completeness (in number)
   1.b] safety, soundness (in body)
   1.c] welfare, health, prosperity
   1.d] peace, quiet, tranquility, contentment
   1.e] peace, friendship
       1.e.1] of human relationships
       1.e.2] with God especially in covenant relationship
   1.f] peace (from war)
   1.g] peace (as adjective)
derivation: from (07999)
http://bible.crosswalk.com/Lexicons/Hebrew/heb.cgi?number=7965&version=kjv

(07999)
1] to be in a covenant of peace, be at peace
   1.a] (Qal)
       1.a.1] to be at peace
       1.a.2] peaceful one (participle)
   1.b] (Pual) one in covenant of peace (participle)
   1.c] (Hiphil)
       1.c.1] to make peace with
       1.c.2] to cause to be at peace
   1.d] (Hophal) to live in peace
2] to be complete, be sound
   2.a] (Qal)
       2.a.1] to be complete, be finished, be ended
       2.a.2] to be sound, be uninjured
   2.b] (Piel)
       2.b.1] to complete, finish
       2.b.2] to make safe
       2.b.3] to make whole or good, restore, make compensation
       2.b.4]to make good, pay
       2.b.5] to requite, recompense, reward
   2.c] (Pual)
       2.c.1] to be performed
       2.c.2] to be repaid, be requited
   2.d] (Hiphil)
       2.d.1] to complete, perform
       2.d.2] to make an end of
http://bible.crosswalk.com/Lexicons/Hebrew/heb.cgi?number=7999&version=kjv