What does it mean to be addemit about something?

"Addemit" is not a recognized word in the English language. It's likely a misspelling of "admit," which means:

* To confess to a truth or a fault: "He admitted to stealing the money."

* To allow someone or something to enter: "The doorman admitted us to the club."

* To allow something to be possible or true: "The evidence admits of no other conclusion."

If you have encountered the word "addemit" in a specific context, please provide more information so I can help you understand its intended meaning.