1) Answered correctly 2) Appreciated 3) Could answer 4) Could correctly answer 5) Exclusively Anglo word 6) Exclusively Saxon word 7) Felt certain 8) Fully grasped 9) Fully memorized 10) Gnu homophone 11) Got the picture 12) Grasped 13) Had a clue 14) Had a gut feeling 15) Had a hunch 16) Had all the answers Found on https://www.crosswordclues.com/clue/knew