Source : Webster's Revised Unabridged Dictionary (1913)

Knowingly \Know"ing*ly\, adv.
   1. With knowledge; in a knowing manner; intelligently;
      consciously; deliberately; as, he would not knowingly
      offend. --Strype.

   2. By experience. [Obs.] --Shak.

Source : WordNet®

knowingly
     adv : with full knowledge and deliberation; "he wittingly deleted
           the references" [syn: {wittingly}] [ant: {unwittingly},
            {unwittingly}]