The definition of a suit is a complete outfit or a set of clothes meant to be worn together.
For a change, in this case, he was telling the truth. It is not the case that every unfamiliar phrase is an idiom. In case of fire, break glass. [sign on fire extinguisher holder in public space]
A basis for an action or response; a reason:
Find another word for causa. In this page you can discover 4 synonyms, antonyms, idiomatic expressions, and related words for causa, like: lawsuit, suit, case and cause.