ought

• A person who's done as good work as you in English ought to have the right to flunk every other blessed thing, if she wants to But you're dropped if you flunk eight hours; you told me so yourself Don't believe anything I told you," said Patty, reassuringly. —  When Patty Went to College
• This ought is the fundamental premise of the entire colonial argument. —  Beginnings of the American People
• Why, it ought, and it, doubtless, would be said of him, that his conduct was a libel on both man and womankind; that his name ought, for ever, to be synonymous with baseness and nastiness, and that in no age and in no nation, not marked by a general depravity of manners, and total absence of all sense of shame, every associate, male or female, of such a man, or of his filthy mate, would be held in abhorrence. —  Advice to Young Men And (Incidentally) to Young Women in the Middle and Higher Ranks of Life. In a Series of Letters, Addressed to a Youth, a Bachelor, a Lover, a Husband, a Father, a Citizen, or a Subject.
• He who invented the term ought, I think, to be held in esteem; for he had before him the quantity of fact, and the measure of analogy, that would justify a man of genius in taking a step so bold. —  Fragments of science, V. 1-2
• He desires what he ought, when he ought, and as he ought: correctly estimating each separate case (XII.). —  Moral Science; a Compendium of Ethics

Allen's Synonyms and Antonyms