Found 2 items, similar to officialize.
English → English (WordNet)
Definition: officialize
officialize
v : make official;
“We officialized our relationship” [syn:
officialise]
English → English (gcide)
Definition: officialize
officialize
\officialize\ v. t.
to render official; as, we officialized our relationship.
Syn: make official.
[WordNet 1.5]