a, e, n, c, h, t, i, u are letters that make 'authenticate'
he, ti, te, NT, IC, He, AU, at, en, ut, authentic, ic, then, cat, CAT, hen, CA, Ate, tic, At, Ca, Au, Te, Th, Ti, UT are words within 'authenticate'
authenticated is a word created by adding a letter to 'authenticate'
1 possible definitions for 'authenticate'
Under this definition, authenticate is a verb and has the following properties:
'authenticate' can be a type of attest, demonstrate, certify, manifest, evidence.
prove is a type of authenticate.
appraiser, authenticator, hallmark, authentication, certification, assay-mark are derivatives of 'authenticate'.
verify is an entailment to 'authenticate'.