(archaic) Alternative form of an if

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.

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

(archaic) If.

Alternative form of like as

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

(informal) Used to express acceptance of something offered to the speaker.

Alternative form of if you lie down with dogs, you get up with fleas

Used to allude to something unsaid or hinted at.