substitutionary

/ˌsʌbstɪˈtuʃəˌnɛri/
adjective
  1. Serving as or relating to a substitute, especially in a religious or legal context where one person or thing takes the place of another.
    • The substitutionary player scored the winning goal after coming off the bench.
    • In contract law, a substitutionary performance allows a debtor to fulfill an obligation with a different asset.
    • The doctrine of substitutionary atonement teaches that Jesus died in place of sinners.
Antonyms
What does "substitutionary" mean? | whatsthatwordmean | whatsthatwordmean