1) Expressed a view 2) Expressed oneself 3) Expressed thoughts 4) Gave a view 5) Imagined 6) Judged 7) Made a suggestion 8) Mentioned too much about tree 9) Offered a point of view 10) Offered a view 11) Shared views 12) Spoke up 13) Stated a judgment 14) Stated a point of view 15) Stated a viewpoint Found on https://www.crosswordclues.com/clue/opined