Source : Webster's Revised Unabridged Dictionary (1913)

Anagrammatic \An`a*gram*mat"ic\, Anagrammatical
\An`a*gram*mat"ic*al\, a. [Cf. F. anagramtique.]
   Pertaining to, containing, or making, an anagram. --
   {An`a*gram*mat"ic*al*ly}, adv.

Source : WordNet®

anagrammatical
     adj : related to anagrams or containing or making an anagram [syn:
            {anagrammatic}]