DISCOVER, find, determine, evolve; fix upon; find -, trace -, make -, hunt -, fish -, worm -, ferret -, dig -, root- out; fathom; bring out, draw out; educe, elicit, bring to light; dig up, grub up, fish up; unearth, disinter.
SOLVE, resolve; unriddle, unravel, ravel, ravel out, unlock; pick -, open- the lock; find a clew or clue to; interpret [See Interpretation]; disclose [See Disclosure].
TRACE, get at; hit it, have it; lay ones -finger, - hands- upon; spot [colloq.], see through a millstone [colloq.]; get -, arrive- at the -truth [See Truth]; put the saddle on the right horse, hit the right nail on the head.
SCENT, be near the truth, be warm [colloq.], burn [colloq.]; smoke, sniff, smell out, smell a rat [colloq.].
SEE THROUGH, see daylight, see in its true colors, see the cloven foot; open the eyes to; detect; catch, catch tripping.
MEET WITH; pitch -, fall -, light -, hit -, stumble -, pop- upon; come across; fall in with.
RECOGNIZE, realize, verify, make certain of, identify.