To pick up on or sense another’s thought. Usually based on a. knowledge of the person or type of person and context of the situation and b. the ability to read body signals.

The ability to catch on to something without knowing the background.

Entering a conversation midstream and understanding immediately the gist of it.

n. The birth name of somebody who has changed their name. Most commonly attributed to trans people, but can be attributed to any person who has changed their name. (sometimes written as two words: dead name)

v. 1. To call somebody by their deadname.
v. 2. To out somebody's deadname to the public.