In the name of Meaning, Definition & Usage

Definitions
  1. in behalf of; on the part of; by authority; as, it was done in the name of the people; often used in invocation, swearing, praying, and the like.
Definitions
  1. . (a) In behalf of; by the authority of.
    " I charge you in the duke's name to obey me." Shak.
    (b) In the represented or assumed character of.
    " I'll to him again in name of Brook." Shak.

Webster 1913