sound

[1]	sound out , plumb , probe , test , check (out/into) , fathom , inquire/enquire of , question , poll , canvass , investigate , examine , survey
[2]	dive , plunge , submerge
[3]	resound , reverberate , echo , resonate
[4]	seem , appear , look , strike one , give one the impression/feeling/sense (that) , resemble , sound/seem/look like
[5]	ring , (be) activate(d) , (be) set/touch(ed) off , signal
[6]	sound out , articulate , pronounce , enunciate , utter , voice , vocalize
[7]	sound out/off , shout (out) , cry out , yell (out)
[8]	sound off , vituperate , complain , bluster , grumble , (Slang) bitch
[9]	go
[10]	voice , vocalize , vocalise
[11]	fathom

[1]	tone , noise , din , cacophony , report
[2]	ring , auditory sensation , tone , impression , characteristic , quality , effect , aspect , look
[3]	hearing , range , earshot
[4]	audio
[5]	phone , speech sound
[6]	strait

adj.

[1]	healthy , intelligent , levelheaded , level-headed
[2]	good
[3]	reasoned , well-grounded
[4]	legal , effectual
[5]	heavy , profound , wakeless