[1] : WordNet (r) 2.0

find out
     v 1: after a calculation, investigation, experiment, survey, or
          study; "find the product of two numbers"; "the physicist
          who found the elusive particle won the nobel prize"
          syn: determine, find, ascertain
     2: get to know or become aware of, usually accidentally; "i
        learned that she has two grown-up children"; "i see that
        you have been promoted" syn: learn, hear, get word,
         get wind, pick up, get a line, discover, see
     3: find out, learn, or determine with certainty, usually by
        making an inquiry or other effort; "i want to see whether
        she speaks french"; "see whether it works"; "find out if
        he speaks russian"; "check whether the train leaves on
        time" syn: determine, check, see, ascertain, watch,
         learn
     4: trap; especially in an error or in a reprehensible act; "he
        was caught out"; "she was found out when she tried to cash
        the stolen checks" syn: catch out
see also:
determine find ascertain learn hear get word 
get wind pick up get a line discover see 
check watch catch out 

[2] : Moby Thesaurus II by Grady Ward, 1.0

100 moby thesaurus words for "find out":
   answer, ascertain, assure, be informed, become acquainted with,
   bottom, broaden the mind, catch on, certify, cinch, clear up,
   clinch, crack, cram the mind, debug, decide, decipher, decode,
   determine, discover, disentangle, dismiss all doubt, divine, do,
   dope, dope out, ensure, establish, explain, fathom, figure out,
   find, find out about, find the answer, find the solution, fix,
   gain knowledge, get, get at, get hold of, get right, guess,
   guess right, have it, hear, hit, hit it, hunt down, insure,
   interpret, invent, learn, learn about, load the mind, locate,
   make certain, make no doubt, make no mistake, make out, make sure,
   make sure of, nail down, open the lock, pick up information, plumb,
   psych, psych out, puzzle out, ravel, ravel out, reassure,
   rediscover, remove all doubt, resolve, riddle, run down,
   run to earth, see, see that, see to it, set at rest, settle, solve,
   sort out, strike, trace, trace down, track down, tumble, undo,
   unearth, unlock, unravel, unriddle, unscramble, untangle, untwist,
   unweave, work, work out

Bale Out >> B Words
Bale Out, definition of term: Bale Out
bale+out_pag1.html

Bawl Out >> B Words
Bawl Out, definition of term: Bawl Out
bawl+out_pag1.html

Bear Out >> B Words
Bear Out, definition of term: Bear Out
bear+out_pag1.html

Bail Out >> B Words
Bail Out, definition of term: Bail Out
bail+out_pag1.html

Back Out >> B Words
Back Out, definition of term: Back Out
back+out_pag1.html

Air Out >> A Words
Air Out, definition of term: Air Out
air+out_pag1.html

Ask Out >> A Words
Ask Out, definition of term: Ask Out
ask+out_pag1.html

Act Out >> A Words
Act Out, definition of term: Act Out
act+out_pag1.html