Information (or an artefact) that is granted or obtained exclusively.

“The editor agreed to keep a lid on a potentially disastrous political scoop in exchange for an exclusive of a happier nature.”

A member of a group who exclude others from their society.

(grammar) A word or phrase that restricts something, such as only, solely, or simply.

Excluding items or members that do not meet certain conditions.

Referring to a membership organisation, service or product: of high quality and/or renown, for superior members only. A snobbish usage, suggesting that members who do not meet requirements, which may be financial, of celebrity, religion, skin colour etc., are excluded.

“Exclusive clubs tend to serve exclusive brands of food and drinks, in the same exorbitant price range, such as the 'finest' French châteaux.”

Exclusionary.