Source : Webster's Revised Unabridged Dictionary (1913)

Purposely \Pur"pose*ly\, adv.
   With purpose or design; intentionally; with predetermination;
   designedly.

         In composing this discourse, I purposely declined all
         offensive and displeasing truths.        --Atterbury.

         So much they scorn the crowd, that if the throng By
         chance go right, they purposely go wrong. --Pope.

Source : WordNet®

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