Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb testify

2 senses of testify

Sense 1
testify, attest, take the stand, bear witness -- (give testimony in a court of law)
       => declare -- (state emphatically and authoritatively; "He declared that he needed more money to carry out the task he was charged with")

Sense 2
testify, bear witness, prove, evidence, show -- (provide evidence for; "The blood test showed that he was the father"; "Her behavior testified to her incompetence")
       => inform -- (impart knowledge of some fact, state or affairs, or event to; "I informed him of his rights")