Dictionary

To have or express an opinion; to state as an opinion; to suppose, consider (that).

Example: "Your decisions," she opined, "have been unfailingly disastrous for this company."

To give one's formal opinion (on or upon something).

Example: I had to opine on the situation because I thought a different perspective was in order.

Any of a class of organic compounds, derived from amino acids, found in some plant tumours