D defs.my
Entry 1 sense Webster, 1913

Opine

/ōp-īn'/ · O·pine · IPA /oʊˈpaɪn/
01 v. t. & i. To have an opinion; to judge; to think; to suppose.
imp. & p. p. Opined; p. pr. & vb. n. Opining
  1. 1.
    To have an opinion; to judge; to think; to suppose.