lend colour to something

lend color to (something)

To embellish something; to add information or details to something, especially to make it seem more credible or probable. He splashed mud all over his car and clothes to lend color to his story about being in the mountains all weekend. We cannot do anything that will lend color to our opponents' allegations about us.
See also: color, lend

lend ˈcolour to something

(British English) (American English lend ˈcolor to something) make something seem probable: The tracks outside the house lend colour to her claim that somebody tried to break in last night.
See also: colour, lend, something