1 to use

2 to employ

3 to apply

4 to make use of

1 client (computing)

1 to use

2 to employ

3 to have to

4 to eat or drink

5 expense or outlay

6 usefulness

7 hence

8 therefore

1 need not

1 to enjoy (i.e. have the use or benefit of)

1 to do two things at once (idiom)

2 to multitask

3 to divide one's attention

1 lit. to hold a bowl of water level (idiom)

2 fig. to be impartial

1 impossible to get even an outline (idiom)

2 unfathomable

3 not a clue

1 to have an ulterior motive (idiom)

1 to have no other use or purpose (idiom)