a secondary phenomenon that is a by-product of another phenomenon

an attending or secondary phenomenon that appears in connection with another, but which does not or cannot have a causal effect on the primary phenomenon

a secondary phenomenon that occurs as a result of another and remains a complice

a useless accompaniment.

a superficial, second level prenomenon, not central to the whole system

an associative factor found in a disease which cannot be shown to be either causative or contributory to said disease