'Externalize' definitions:

Definition of 'externalize'

From: WordNet
verb
Regard as objective [syn: project, externalize, externalise]
verb
Make external or objective, or give reality to; "language externalizes our thoughts" [syn: exteriorize, exteriorise, externalize, externalise, objectify]

Definition of 'Externalize'

From: GCIDE
  • Externalize \Ex*ter"nal*ize\, v. t. To make external; to manifest by outward form. [1913 Webster]
  • Thought externalizes itself in language. --Soyce. [1913 Webster]