Expressions (phrases, clauses, etc.), Ichidan verb
to make do with; to manage with; to make shift
この機種は気に入らないが、これで間に合わせなければならない。I don't like this model but I'll have to make do with it. to get (something) done in time; to have ready (by)
see 間に合う
Also written 間に合せる【まにあわせる】