Crossword clues for the word: TESTIFY The word TESTIFY has appeared as an answer to at least 12 crossword clues on different crossword puzzles. Crossword clues for TESTIFY Showing 1 to 12 of 12 results Clue(s) "Word from the Latin for ""witness""" Appear before a House committee Appear in court, say, if brought in quarrelsome Be evidence of. Fully cleared after sounding angry, swear Give evidence Protest if youth shows warrant (7) Shout at an Evangelical Church Speak before a jury Swear to what you saw Take the stand Take the witness stand