(archaic) Alternative form of an if

(archaic) If.

(Britain) Ellipsis of if the cap fits, wear it.

(UK, finance) Initialism of independent financial adviser.

A phrase said to introduce advice, i.e. to express what one would do in the interlocutor's situation.

Please, kindly; used in giving a non-concrete instruction. / So to speak, like; used to indicate that a description is not standard.

Alternative form of like as

(archaic) If; if it happen (that); supposing that.

present participle of what-if

simple past tense and past participle of what-if