WordNet (r) 3.0 (2006):

wink at
    v 1: give one's silent approval to [syn: connive at, wink
         at]

Moby Thesaurus II by Grady Ward, 1.0:

95 Moby Thesaurus words for "wink at":
   OK, abide with, accede to, accept, accord to, agree to, allow for,
   approve, approve of, assent, be big, be blind, be blind to,
   be caught out, be content with, be easy with, be inattentive,
   be unwary, be willing, bear, bear with, blink at, brook,
   condescend, condone, connive at, consent, consent to silently,
   countenance, deign, disregard, endorse, endure, give consent,
   give no heed, go along with, go blind, grant, have,
   have no objection, hear nothing, hear of, hold with, ignore,
   indulge, judge not, lean over backwards, leave unavenged,
   let it go, let pass, listen to reason, live with,
   make allowances for, make light of, miss, nod, nod assent,
   not attend, not heed, not listen, not notice, not refuse, not see,
   not write off, okay, overlook, pass by, pass over,
   pay no attention, pay no mind, permit, pocket the affront,
   put up with, ratify, regard with indulgence, sanction, say aye,
   say yes, see both sides, see nothing, slight, stand for, stomach,
   suffer, suspend judgment, take, take kindly to, think little of,
   tolerate, view with indulgence, vote affirmatively, vote aye,
   walk in darkness, wear blinkers, yield assent