Synonyms of the word

ref

• n. (informal) A referee.
• n. (Philippines, informal) A refrigerator.
• n. Abbreviation of reference.
• n. Abbreviation of refectory.
• v. (informal) To referee; to act as a referee in a sport or game.

official

• adj. Of or pertaining to an office or public trust.
• adj. Derived from the proper office or officer, or from the proper authority; made or communicated by virtue…
• adj. Approved by authority; authorized.
• adj. sanctioned by the pharmacopoeia; appointed to be used in medicine; officinal.
• adj. Discharging an office or function.
• adj. Relating to an office; especially, to a subordinate executive officer or attendant.
• adj. Relating to an ecclesiastical judge appointed by a bishop, chapter, archdeacon, etc., with charge of the…
• adj. True, real, beyond doubt.
• n. An office holder invested with powers and authorities.
• n. A person responsible for applying the rules of a game or sport in a competition.

referee

• n. (sports) An umpire or judge; the official who makes sure the rules are followed during a game.
• n. A person who settles a dispute.
• n. A person who writes a letter of reference or provides a reference by phone call for someone.
• n. An expert who judges the manuscript of an article or book to decide if it should be published.
• v. To act as a referee.