Dictionary.net

rigidly formal or bound by convention; "their ceremonious greetings did not seem heartfelt"

unimaginative and conformist; "conventional bourgeois lives"; "conventional attitudes"

(weapons) using non-nuclear energy for propulsion or destruction; "conventional warfare"; "conventional weapons"

rigidly formal or bound by convention; "their ceremonious greetings did not seem heartfelt"

unimaginative and conformist; "conventional bourgeois lives"; "conventional attitudes"

weapons that are not nuclear; "conventional warfare"; "conventional weapons"

Formed by agreement or compact; stipulated.

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

Based upon tradition, whether religious and historical or of artistic rules.

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.

Formal; sanctioned by custom or tradition; based on accepted rules; in art, following fixed rules in design, technique, etc.

Conventionally.

Conventionally.

Formed by convention: growing out of tacit agreement or custom: customary.

Conventionally.

Established by convention or custom; agreed; customary; formal.

Agreed on; customary.

Customary; tacitly understood.

Stipulated, agreed on by compact.