Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

WORD ORIGIN

1590s, from Middle French attester (Old French atester, 13c.) "affirm, attest," from Latin attestari "confirm," literally "bear witness to," from ad- "to" (see ad-) + testari "bear witness," from testis "witness" (see testament). Related: Attested; attesting.

MORE RELATED WORDS FOR ATTESTABLE

Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.