I have to laugh at your assumption that child abandonment (in the financial and taking responsibility sense) cannot happen within a marriage.

Stung at his assumption that her word was not good, Flower said nothing.

Our amusement at his false assumption seemed to ease the tension between us.

Feeling vaguely irritated at her assumption of responsibility, he took the bucket from her hand.

He was irritated at the other's sudden assumption of pedagogy.

Dan Frost was not surprised at their instant assumption that they would be accompanying him to see what the problem was.

Then fury at his assumption overwhelmed her again.

In this we must have succeeded, for I marvelled at our billetors' ready assumption of it.

What if she took affront at my assumption that my boy could come there?

Harold because he was deeply impressed at the girl's casual assumption of such wealth-buy an island?