Sū'per-vĕn'ient, a.
a. [Lat. superveniens, p. pr. of supervenire, It. & Sp. superveniente.] Coming upon as something additional or extraneous.
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.