lend support, weight, credence, etc. to something

lend support to (something)

1. To add information or details to something, especially to make it seem more credible or probable. Do you have any evidence that lends support to your assertion? We cannot do anything that will lend support to our opponents' allegations about us.
2. To provide assistance or approval to something. The president is lending support to the governor's re-election campaign. Your department will have responsibility, but the sales team will lend support to the project if needed.
See also: lend, support
Farlex Dictionary of Idioms.

lend supˈport, ˈweight, ˈcredence, etc. to something

make something seem more likely to be true or genuine: This latest evidence lends support to her theory.
See also: lend, something
Farlex Partner Idioms Dictionary
See also:
  • lend support to (something)
  • lend weight to (something)
  • lend color to
  • lend color to (something)
  • lend colour to
  • lend colour to something
  • credence
  • currency
  • give credence to (someone or something)
  • give currency (to something)