1. (a.) Formed by agreement or compact; stipulated.

2. (a.) Growing out of, or depending on, custom or tacit agreement; sanctioned by general concurrence or usage; formal.

3. (a.) Based upon tradition, whether religious and historical or of artistic rules.

4. (a.) Abstracted; removed from close representation of nature by the deliberate selection of what is to be represented and what is to be rejected; as, a conventional flower; a conventional shell. Cf. Conventionalize, v. t.

Christian accepted accordant accustomed acknowledged admitted agreed anal approved authentic authoritative average being done bourgeois button-down canonical ceremonial ceremonious comme il faut common commonplace compulsive concordant conformable conformist conscientious conservative constrained consuetudinary contractual correct corresponding covenantal current customary de rigueur decent decorous established evangelical everyday faithful familiar fastidious firm fixed folk formal formalistic garden garden-variety generally accepted habitual hallowed handed down harmonious heroic hieratic hoary household immemorial in accord in keeping in line in step inveterate kosher legendary literal liturgic long-established long-standing meet middle-class moderate mythological naive natural nice no great shakes normal normative obtaining of long standing of the faith of the folk old hat old-fashioned oral ordinary orthodox orthodoxical pedantic plastic pompous popular precise precisianistic predominating prescribed prescriptive prevailing prevalent proper punctilious reactionary received recognized regular regulation reliable responsible right ritual ritualistic rooted run-of-mine run-of-the-mill sacerdotal scriptural scrupulous seemly set simple sober solemn sound square standard stately stock stodgy straight stuffy suburban temperate textual time-honored traditional traditionalist traditionalistic tried and true TRUE true-blue understood unexceptional universal unnoteworthy unremarkable unsophisticated unspectacular unwritten uptight usual venerable vernacular well-mannered widespread wonted worshipful