confident

She is confident the other passenger ultimately will be charged, he said.

It makes me think of Ma being so confident that Grandma’s spirit is still watching over us.

The unexpectedly happy breakfast made Penelope feel even more confident in their scheme, and she took it as a sign that the day would go exactly as she and Simon had planned.

“You seem rather confident that the shade of Edward Ashton will approve your marriage plans, Admiral.”

“Why, this is not difficult at all,” she thought, perhaps feeling a bit more confident than she had a right to.