Definition of will:

part of speech: verb

A defective verb used along with another verb to express future time; in the first person, will promises or expresses fixed purpose or determination, as " I will eat"; in the second and third, will simply foretells, as, " thou wilt eat," " he will eat.

part of speech: verb

To determine; to direct; to choose; to enjoin; to dispose of by will or testament.

part of speech: noun

The power of determining or choosing; discretion; power; of determining or choosing; discretion; power; pleasure; inclination; intention; that which is wished or desired; a formal declaration in writin of what a person desires to be done with his real or personal estate after death; the written document containing such instruction.