rule in
verbEtymology By analogy with rule out.
1
Idiomatic To consider (something) as a possible option among others.
- 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.2018 April 15, James Comey, “ABC News interview with George Stephanopoulos”, in (Please provide the book title or journal name):