Source : Webster's Revised Unabridged Dictionary (1913)

Explicitly \Ex*plic"it*ly\, adv.
   In an explicit manner; clearly; plainly; without disguise or
   reservation of meaning; not by inference or implication; as,
   he explicitly avows his intention.

Source : WordNet®

explicitly
     adv 1: in an explicit manner; "in his foreword Professor Clark puts
            it explicitly" [ant: {implicitly}]
     2: in an explicit manner; "he stated expressly that the needed
        the money by tomorrow" [syn: {expressly}]