be in favour of something/of doing something

be in favor of (something)

To be in support of something. Everyone I've talked to is in favor of the new dress code, so hopefully management will endorse it. As a traditionalist, my father was never in favor of the changes they made to the town.
See also: favor, of
Farlex Dictionary of Idioms.

be (all) in favour of something/of doing something

support or approve an idea, a course of action, etc: As far as Joe’s suggestion about saving money is concerned, I’m all in favour of it. Some people are in favour of restoring the death penalty for major crimes. All those in favour, raise their hands.
See also: favour, of, something
Farlex Partner Idioms Dictionary
See also:
  • be in favor of (something)
  • in favor of
  • in favor of (someone or something)
  • in full feather
  • send (one) for (someone or something)
  • send for
  • go to the expense
  • queen up
  • sing or praises
  • sing somebody's/something's praises