That may be ‘converted’ or transposed each into the place of the other; interchangeable. Usually of terms: Equivalent, synonymous.

Of two things: Capable of being put or used in the place of each other; admitting an exchange of place or function. Also, of one thing: That may…

That may be commuted or exchanged; changeable, exchangeable; convertible into a money value: see commute, n.

That may be exchanged. Const. for.

Liable to or characterized by counterchange, reciprocation, alternation, or transposition.

Capable of being permuted or interchanged; (Mathematics and Logic) having elements that can be interchanged without affecting the validity of a…

of, pertaining to, or involving transposition.

Mutually convertible; interchangeable.

Capable of being transposed; interchangeable.

Of two or more things: capable of being put or used in place of each other; interchangeable.