What is the meaning of Conventional?

Pertaining to a convention, as in following generally accepted principles, methods and behaviour.

Ordinary, commonplace.

Banal, trite, hackneyed, unoriginal or clichéd.

Pertaining to a weapon which is not a weapon of mass destruction.

Making use of synthetic fertilizers and pesticides.

In accordance with a bidding convention, as opposed to a natural bid.

A conventional gilt-edged security, a kind of bond paying the holder a fixed cash payment (or coupon) every six months until maturity, at which point the holder receives the final payment and the return of the principal.

Source: wiktionary.org