rule in

By analogy with rule out.

rule in (third-person singular simple present rules in, present participle ruling in, simple past and past participle ruled in)

1. (idiomatic, transitive) To consider (something) as a possible option among others.
   • 2018 April 15, James Comey, “ABC News interview with George Stephanopoulos”, in (Please provide the book title or journal name):

     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.

• Typically used along with rule out.

• consider

• rule out