rubric

1 a word or series of words often in larger letters placed at the beginning of a passage or at the top of a page in order to introduce or categorize the rubrics at the beginning of the chapters are intended to be humorous Synonyms caption, head, header, headline, heading, titleRelated Words banner, streamer; catch word, guide word, running head; greeting, salutation; superscript, superscription; subhead, subheading, subtitle

2 an inherited or established way of thinking, feeling, or doing the rubric, popular among jewelers anyway, that a man should spend a month's salary on his fiancée's engagement ring Synonyms convention, custom, heritage, prescription, tradition, ruleRelated Words ethic, form, mode, mores, norm, principles, standards, values; birthright, inheritance, legacy; folklore, lore, superstition; culture, lifestyle

3 one of the units into which a whole is divided on the basis of a common characteristic all of these books with their conspiracy theories fall under the rubric of speculative fiction Synonyms bracket, category, classification, division, family, genus, grade, group, kind, league, order, rank(s), class, set, species, tier, typeRelated Words description, feather, ilk, kidney, like, manner, nature, sort; branch, section, speciality, specialty, subclass, subdivision, subgroup, subspecies, variety; breed, race; generation; heading, label, title