permission UK /pəˈmɪʃ.ən/US /pəɹˈmɪʃ.ən/noun 3verb 1forms 3 noun3 •agreement, often from a person in charge, that someone is allowed to do somethingSire, do I have your permission to execute this traitor? •The act of permitting. •Flags or access control lists pertaining to a file that dictate who can access it, and how.I used the "chmod" command to change the file's permission. verb1 •To grant or obtain authorization for.Photographs also must be permissioned and credited, although a corpus of copyright-free images does exist online. — 2003 formspermissioned · permissioning · permissions