— authenticatable , adj. — authentication , n.
/aw then"ti kayt'/ , v.t., authenticated, authenticating .
1. to establish as genuine.
2. to establish the authorship or origin of conclusively or unquestionably, chiefly by the techniques of scholarship: to authenticate a painting.
3. to make authoritative or valid.
[ 1565-75; authenticatus made authentic (ptp. of authenticare ). See AUTHENTIC, -ATE 1 ]
Syn. 1. confirm, validate, substantiate.