deputize

Từ điển Oxford Advanced Learner 8th

depu·tize (BrE also-ise) [deputize deputizes deputized deputizing] BrE [ˈdepjutaɪz] NAmE [ˈdepjutaɪz] verb intransitive ~ (for sb)
to do sth that sb in a higher position than you would usually do
•Ms Green has asked me to deputize for her at the meeting.
Verb forms:

• Từ đồng nghĩa / Synonyms:
  depute, deputise, substitute, step in