Source : Webster's Revised Unabridged Dictionary (1913)

Intentionally \In*ten"tion*al*ly\, adv.
   In an intentional manner; with intention; by design; of
   purpose.

Source : WordNet®

intentionally
     adv : with intention; in an intentional manner; "he used that word
           intentionally"; "I did this by choice" [syn: {deliberately},
            {designedly}, {on purpose}, {purposely}, {advisedly},
           {by choice}, {by design}] [ant: {by chance}, {unintentionally},
            {unintentionally}]