deputise
1. [ verb ] act as a substitute
Synonyms: deputize stand_in step_in substitute
Examples:

"She stood in for the soprano who suffered from a cold"

Related terms: supplant cover substitute deputy deputy subbing
2. [ verb ] appoint as a substitute
Synonyms: deputize depute
Related terms: appoint deputy deputy delegating
Similar spelling:   deputize
  defeatist
  defeatism