Ought - (Webster's 1828 Dictionary)
OUGHT. [See Aught, the true orthography.]
OUGHT, v. imperfect, aut.
1. To be held or bound in duty or moral obligation.
These ought ye to have done, and not to leave the other undone. Mat 23.
We that are strong ought to bear the infirmities of the weak. Rom 15.
Thou oughtest therefore to have put my money to the exchangers. Mat 25.
2. To be necessary; to behoove.
Ought not Christ to have suffered these things and to enter into glory? Luke 24.
3. To be fit or expedient in a moral view.
My brethren, these things ought not so to be. James 3.
4. As a participle, owed; been indebted to.
The love and duty I long have ought you.
That followed, sir, which to myself I ought.
[In this sense, obsolete.]
5. In Chaucer's time, it was used impersonally. ""Wel ought us werke,"" that is, well it behooveth us to work.