On the condition; if:
Because event X may occur
On whatever occasion
On the assumption that; supposing:
Used to introduce an indirect interrogative question that consists of multiple alternative possibilities (usually with correlative or).
Find another word for if. In this page you can discover 19 synonyms, antonyms, idiomatic expressions, and related words for if, like: provided that, granting, suppositive, on condition that, provided, on the assumption that, assuming that, in-case, with the condition that, protasis and supposing that.