Source : Webster's Revised Unabridged Dictionary (1913)

Baptismal \Bap*tis"mal\, a. [Cf. F. baptismal.]
   Pertaining to baptism; as, baptismal vows.

   {Baptismal name}, the Christian name, which is given at
      baptism.

Source : WordNet®

baptismal
     adj : of or relating to baptism; "baptismal font"