To assault, attack.
To fall on or upon.
The fall of the evening.
A fall of rain or snow.
A falling on or upon; an attack, onset, or assault.
To attack physically.
To provide (somebody) with a necessity, or a solution to a problem.
To fix, as a problem.
To separate from the remainder of a group; often construed with from.
To clarify by reviewing mentally.
To arrange.
To organise or separate into groups, as a collection of items, so as to make tidy.