Read the dictionary definition of opine. All definitions for this word.
1. expect, believe, or suppose
1. I imagine she earned a lot of money with her new novel
2. I thought to find her in a bad state
3. he didn't think to find her in the kitchen
4. I guess she is angry at me for standing her up
2. express one's opinion openly and without fear or hesitation
1. John spoke up at the meeting