au·then·ti·cate [ aw théntə kàyt ](past and past participleau·then·ti·cat·ed, present participleau·then·ti·cat·ing, 3rd person present singularau·then·ti·cates)
transitive verb
Definition:
1. confirm genuineness or truth of something: to establish that something is genuine or that an account is true
2. establish as valid: to establish something such as a deed or document as legally valid
