substitution Synonyms

exchange replacement interchange substitute alternate trade switch commutation change swap swapping alternative surrogateship standby backup variation transposition transition transformation transfer surrogation swop switching stand-in locum another possibility another course of action new part exchanges switches replacements permutations change of direction trade-off reconstitution changeover quid pro quo u-turn replacing fungibility swopping re-placement surrogate permutation move lieu inversion interchanging imitation heterotaxy