(wil) noun
1. The power of conscious, deliberate action; the faculty by which the rational mind makes choice of its ends of action, and directs the energies in carrying out its determinations; in popular usage, choice, purpose, or directive effort.
2. The act or experience of exercising this faculty; a volition or a choice.
3. Strong determination; practical enthusiasm; energy of character: He works with a will; also, self–control.
4. That which has been resolved or determined upon; a purpose.
5. Power to dispose of a matter arbitrarily; discretion.
6. Law The legal declaration of a man's intentions as to his estate after his death; the written instrument by which someone declares his desires for the distribution of his property.
7. A conscious inclination toward any end or course; a wish.
8. A request or command.
—at will As one pleases.
—v. willed, will·ing; third person singular, present indicative wills v.t.
1. To decide upon; choose.
2. To resolve upon as an action or course; determine to do.
3. To give, devise, or bequeath by a will.
4. To control, as a hypnotized person, by the exercise of will.
5. Archaic To have a wish for; desire.
—v.i.
6. To exercise the will. [OE willa]
—will′a·ble adjective Synonyms (noun): decision, desire, disposition, inclination, resolution, volition, wish. Will is a word of wide range of meaning, and both as faculty and act has been the subject of many and various theories; in popular language will is often equivalent to desire or inclination, as when we speak of doing something against our will. Volition is a word of scientific precision, denoting the determinative element of will.

(wil) v. Present sing. & plural: will (Archaic thou wilt); past: would (Archaic thou would·est or wouldst)
As an auxiliary verb will is used with the infinitive without to, or elliptically without the infinitive, to express:
1. Futurity: They will arrive by dark. ♦ See usage note under SHALL.
2. Willingness or disposition: Why will you not tell the truth?
3. Capability or capacity: The ship will survive any storm.
4. Custom or habit: He will sit for hours and brood.
5. Colloq. Probability or inference: I expect this will be the main street.
—v.t. & v.i. To wish or have a wish; desire: What wilt thou? As you will. [OE willan]