Ought

Webster's Dictionary

(1): ( imp., p. p., or auxiliary) To be bound in duty or by moral obligation.

(2): ( imp., p. p., or auxiliary) Owned; possessed.

(3): ( imp., p. p., or auxiliary) Was or were under obligation to pay; owed.

(4): ( n. & adv.) See Aught.

(5): ( imp., p. p., or auxiliary) To be necessary, fit, becoming, or expedient; to behoove; - in this sense formerly sometimes used impersonally or without a subject expressed.

(6): of Owe

King James Dictionary

Ought. See Aught, the true orthography.