Merriam-Webster Collegiate Dictionary - witty

 adjective  (wittier; -est)  Date: before 12th century  1. archaic having good intellectual capacity ; intelligent  2. amusingly or ingeniously clever in conception or execution the costumes are sumptuous and ~ — Virgil Thomson the musical background is…often ~ — Wolcott Gibbs  3. marked by or full of wit ; smartly facetious or jocular a ~ novel  4. quick or ready to see or express illuminating or amusing relationships or insights a ~ raconteur  • wittily adverb  • wittiness noun Synonyms:  ~, humorous, facetious, jocular, jocose mean provoking or intended to provoke laughter. ~ suggests cleverness and quickness of mind a ~ remark. humorous applies broadly to anything that evokes usually genial laughter and may contrast with ~ in suggesting whimsicality or eccentricity humorous anecdotes. facetious stresses a desire to produce laughter and may be derogatory in implying dubious or ill-timed attempts at wit or humor facetious comments. jocular implies a usually habitual fondness for jesting and joking a jocular fellow. jocose is somewhat less derogatory than facetious in suggesting habitual waggishness or playfulness jocose proposals.