Pertaining to a convention, as in following generally accepted principles, methods and behaviour.
Ordinary, commonplace.
In accordance with a bidding convention, as opposed to a natural bid.
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.
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.
Of, pertaining to, or using methodology or a methodology.