Supervenient

a.

1.

Coming as something additional or extraneous; coming afterwards. That branch of belief was in him supervenient to Christian practice. - Hammond. Divorces can be granted, a mensa et toro, only for supervenient causes. - Z. Swift.

accessory, accidental, additional, adscititious, adventitious, appurtenant, ascititious, auxiliary, casual, circumstantial, collateral, contingent, extra, fortuitous, incidental, inessential, nonessential, secondary, subsidiary, superadded, superfluous, supplemental, supplementary, unessential