To clarify, to correct a misconception.
To depart or disappear.
To clean up.
To become free of certain blemishes.
Of stormy weather, to dissipate, to become calm.
To pot all of the remaining balls in a single turn.
To take unawares.
To attack unexpectedly.
To do something to (a person) that they are not expecting, as a surprise.
To cause (someone) to feel unusually alarmed or delighted by something unexpected.
To undergo or witness something unexpected.
To cause surprise.
The feeling that something unexpected has happened.
Something unexpected.