replacive
/rɪˈpleɪsɪv/ /(ˌ)riːˈpleɪsɪv/noun
Linguistics. A morph or morpheme that consists of or is realized by the replacement of one form by another.
adjective
1 Linguistics. Designating a morph or morpheme that consists of or is realized by the replacement of one form by another.
2 Generally. Characterized by the replacement of one thing by another; of the nature of a replacement; substitutive.
Origin
1940s; earliest use found in Eugene Nida (b. 1914). From replace + -ive.