serve a purpose
Also, serve one's or the purpose. Be useful, meet the needs or requirements, satisfy, as in I don't know why they've added all this information but it probably serves a purpose, or It often serves his purpose to be vague, or We don't have a spading fork but this shovel should serve the purpose. This idiom was first recorded in 1513.
Words nearby serve a purpose
serv.,
serval,
servant,
servant church,
serve,
serve a purpose,
serve one right,
serve time,
serve up,
server,
servery