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attest

at·test

attest

 
pronunciation:
test
features:
Word Parts
part of speech: verb
inflections: attested, attesting, attests
definition 1: to show or prove the truth of.
His signature attested the legal document.
synonyms:
confirm, prove, verify, vouch for
similar words:
allege, document, guarantee, swear to, witness
definition 2: to offer evidence or give proof (often followed by "to").
In court, he attested to his friend's good character.
synonyms:
vouch
derivation: attestable (adj.)
Word Parts
The word attest contains the following part:
at- Latin prefix that means to, toward
Show wordsHide wordsMore about this word part:
The prefix at- occurs in Latin loanwords. It is an assimilated form of ad- used before roots beginning with "t," such as "tract" and "ten, tin, tain." See ad-.