We found 30 dictionaries that define the word officiate:

General (25 matching dictionaries)

1. officiate: Longman Dictionary of Contemporary English
2. officiate: Merriam-Webster
3. officiate: Oxford Learner's Dictionaries
4. officiate: American Heritage Dictionary of the English Language
5. officiate: Collins English Dictionary
6. officiate: Vocabulary.com
7. officiate: Wordnik
8. officiate: Cambridge Advanced Learner's Dictionary
9. officiate: Wiktionary
10. officiate: Webster's New World College Dictionary, 4th Ed.
11. officiate: The Wordsmyth English Dictionary-Thesaurus
12. officiate: Infoplease Dictionary
13. Officiate, officiate: Dictionary.com
14. officiate: Online Etymology Dictionary
15. officiate: Cambridge Essential American English Dictionary
16. Officiate: Online Plain Text English Dictionary
17. officiate: Webster's Revised Unabridged, 1913 Edition
18. officiate: Rhymezone
19. officiate: AllWords.com Multi-Lingual Dictionary
20. officiate: Webster's 1828 Dictionary
21. officiate: FreeDictionary.org
22. officiate: Mnemonic Dictionary
23. officiate: TheFreeDictionary.com

Business (1 matching dictionary)

24. officiate: Legal dictionary

Computing (1 matching dictionary)

25. officiate: Encyclopedia

Medicine (1 matching dictionary)

26. officiate: Medical dictionary

Miscellaneous (1 matching dictionary)

27. officiate: Idioms

Slang (1 matching dictionary)

28. officiate: Urban Dictionary

(Note: See officiated as well.)

Definitions from Wiktionary ( ) ▸ verb:  (intransitive, transitive) To perform the functions of some office. ▸ verb:  (intransitive, transitive, sports) To serve as umpire or referee. ▸ noun:  A person appointed to office Similar: function, minister, office, serve, do the honors, represent, funeralize, carry out, operate, take, more... Opposite: preside, act as Types: referee, umpire, arbitrator, judge, mediator, commissioner, official, ump, more... Adjectives: other, public, own, local, rabbi, principal Colors:     black,     white,     gray,     silver,     gold, more... ▸ Word origin ▸ Words similar to officiate ▸ Usage examples for officiate ▸ Idioms related to officiate ▸ Wikipedia articles (New!) ▸ Popular adjectives describing officiate ▸ Words that often appear near officiate ▸ Rhymes of officiate ▸ Invented words related to officiate