We found 11 dictionaries that define the word officialise:

General (8 matching dictionaries)

1. officialise: Merriam-Webster
2. officialise: Vocabulary.com
3. officialise: Wiktionary
4. officialise: Dictionary.com
5. officialise: Rhymezone
6. officialise: FreeDictionary.org
7. officialise: Mnemonic Dictionary
8. officialise: TheFreeDictionary.com

Business (1 matching dictionary)

9. officialise: Legal dictionary

Medicine (1 matching dictionary)

10. officialise: Medical dictionary

Slang (1 matching dictionary)

11. Officialise: Urban Dictionary

(Note: See officialises as well.)

Definitions from Wiktionary (Officialise) ▸ verb:  Alternative spelling of officialize [(transitive) To make official.] Similar: officialize, formalise, professionalise, orthodoxise, royalise, constitutionalise, operationalise, conventionalise, uniformise, legitimatise, more... Opposite: unofficialize, declassify, deauthorize, delegitimize ▸ Words similar to officialise ▸ Usage examples for officialise ▸ Idioms related to officialise ▸ Wikipedia articles (New!) ▸ Words that often appear near officialise ▸ Rhymes of officialise ▸ Invented words related to officialise