externalise ex·ter·na·lise uncommon verb 1. regard as objective Synonymsprojectexternalize 2. make external or objective, or give reality to “language externalizes our thoughts” Synonymsexteriorizeexterioriseexternalizeobjectify Related words Word family objectificationobjectexteriorisation Broader terms changeimpute WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.