英和和英

to put something to some use

to be useful―of use―serviceable―of service―good for something―to come in useful―serve one's purpose―prove of service―render service―stand one in stead

to prove useful―prove of service―stand one in stead

be of service

to begin to be useful

the state of being useful

to serve

to answer the purpose―serve one's turn―（形容詞をもって言い表せば）―to be useful―serviceable―helpful―available―good for something.

effectiveness of matter (be useful)

the degree of usefulness of a thing or a person

to put anything in requisition―call anything into requisition―（ご用立ての意味なら）―place anything at one's service―place anything at one's disposal

to drudge

a thing that is useful

a means of serving

effectiveness of matter (be practical, advantageous or helpful

the quality of being useful and convenient

be of use to, be useful to

a useful way of using something

of something, to be of benefit

useful teaching materials

in a helpful manner

potentially useful

having a useful function

the state of being well-suited for a role