(transitive, intransitive) To instruct (that something be done) in one's will. / (transitive) To bequeath (something) to someone in one's will (legal document).

In the absence of a controlling entity, subordinates will take advantage of circumstances.

A spiteful or vengeful attitude; a grudge; dislike.

(Britain folklore) A flickering light or lantern, especially over bogs, swamps or marshes, held by a supernatural creature who uses it to lure travelers at night to their demise.

(idiomatic) at one's preference; as one sees fit

Alternative form of at-will

A person's natural inclination; unforced choice / (philosophy) The ability to choose one's actions, or determine what reasons are acceptable motivation for actions, without predestination, fate etc.

A will or testament made by word of mouth only, before witnesses, as by a soldier or seaman, and depending on oral testimony for proof.

Used other than figuratively or idiomatically: see will, do. / (by ellipsis) Affirmative yes in response to an especially personal or direct request for the performance of some action.

(law) A will that is handwritten by the testator, without the usual formalities of execution.