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Verb: deputise  'de-pyu,tIz
Usage: Brit (N. Amer: deputize)
  1. Act or speak as a replacement (for someone or something)
    - substitute, deputize, step in, sub [informal]
  2. Appoint as a substitute
    - depute, deputize

Derived forms: deputising, deputises, deputised

Type of: appoint, charge, replace, supercede [non-standard], supersede, supervene upon, supplant