substitution Synonyms

commutation exchange re-placement locum backup transposition transformation transfer trade swop switching switch swap swapping surrogation swopping fungibility replacing another possibility another course of action new part exchanges switches replacements permutations change of direction reconstitution changeover quid pro quo u-turn surrogateship surrogate supplanting interchange interchanging imitation heterotaxy displacement deputy conversion compensation change changing barter alternative move permutation proxy supersession supersedure