keys into

Verb

key into (third-person singular simple present keys into, present participle keying into, simple past and past participle keyed into)

1. (transitive) To put (someone) into (a particular state, emotion etc.).
2. (intransitive) To cohere with; to accord with, to be in keeping with.
   • [T]he sheer insistence here on these myths of Greek victory, and the repeated variations on the theme through different legendary cycles, key into the idea of the Parthenon as a monument of Athenian triumph.2002, Mary Beard, The Parthenon, Profile Books, published 2010, page 144
3. (transitive) To make (someone) focus or concentrate on (something); to make (someone) understand.
   • Walter wasn't on the same page as the rest of us at first, but we talked about it and keyed him into it.