testify
verb
[ ˈtɛstɪfʌɪ ]
• give evidence as a witness in a law court.
• "he testified against his own commander"
Similar:
give evidence,
bear witness,
be a witness,
give one's testimony,
attest,
make a deposition,
depone,
swear,
state on oath,
state,
declare,
assert,
affirm,
avow,
aver,
certify,
allege,
profess,
submit,
claim,
depose,
asseverate,
Origin:
late Middle English: from Latin testificari, from testis ‘a witness’.