Legal Dictionary
Main Entry:
au·then·ti·cateFunction:
transitive verbInflected Forms:
-cat·ed;
-cat·ing 1 : to prove or serve to prove that (something) is genuine;
especially : to prove that (an item of evidence) is genuine for the purpose of establishing admissibility
2 : to make (a written instrument) valid and effective by marking esp. with one's signature <
authenticate a check>