Of or pertaining to substitution or to a substitute

Characteristic of, or serving as a substitute

(philosophy) A logical relationship in which two terms can be mutually substituted without affecting the truth value of any propositions in which the terms occur, thereby establishing that the terms are identical.

The quality of being substitutable; the capacity to be substituted.

plural of substitutability

In a substitutive manner.

Such that it may be substituted, or used as a replacement or alternative.

plural of substitutable

plural of substituter

Alternative form of substitutor