Meaning of rule in | Babel Free

Definitions

To consider (something) as a possible option among others.

idiomatic, transitive

Examples

“It was coming from a credible source, someone with a track record, someone who was a credible and respected member of an allied intelligence service during his career, and so it was important that we try to understand it, and see what could we verify, what could we rule in or rule out.”

CEFR level