1) Didn''t ignore 2) Followed the advice of 3) Gave attention to 4) Harkened to 5) Like many warnings 6) Listened to 7) Obeyed 8) Paid attention 9) Paid attention to 10) Paid close attention to 11) Took advice 12) Took notice 13) Took seriously Found on https://www.crosswordclues.com/clue/heeded