officialize

[ uh-fish-uh-lahyz ]
/ əˈfɪʃ əˌlaɪz /

verb (used with object), of·fi·cial·ized, of·fi·cial·iz·ing.

to make official; place under official authority or control.
Also especially British, of·fi·cial·ise.

Origin of officialize

First recorded in 1840–50; official + -ize

OTHER WORDS FROM officialize

of·fi·cial·i·za·tion, noun