adj formed by agreement or compact; stipulated.
2. conventional ·adj based upon tradition, whether religious and historical or of artistic rules.
3. conventional ·adj growing out of, or depending on, custom or tacit agreement; sanctioned by general concurrence or usage; formal.
4. conventional ·adj 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, ·vt.