WordNet (r) 3.0 (2006):

debug
    v 1: locate and correct errors in a computer program code;
         "debug this program"

Moby Thesaurus II by Grady Ward, 1.0:

46 Moby Thesaurus words for "debug":
   answer, bottom, clear up, crack, decipher, decode, disentangle,
   divine, do, dope, dope out, explain, fathom, figure out, find out,
   find the answer, find the solution, get, get right, guess,
   guess right, have it, hit it, interpret, make out, open the lock,
   plumb, psych, psych out, puzzle out, ravel, ravel out, resolve,
   riddle, solve, sort out, undo, unlock, unravel, unriddle,
   unscramble, untangle, untwist, unweave, work, work out



The Free On-line Dictionary of Computing (30 December 2018):

DEBUG

    The bundled compiler/assembler for
   DOS/Windows after CP/M.

   [Did CP/M have "DEBUG"?]

   ["DOS Power Tools, Techniques, Tricks, and Utilities, PC
   Magazine, Paul Somerson Executive Editor, Bantam Books, 1988].

   (2003-06-17)