An arbitrator or mediator. / The chair or president of a meeting, etc. / (Internet) A person who enforces the rules of a discussion forum by deleting posts, banning users, etc.

plural of moderator

In moderate quantities or amount.

(obsolete) moderate; temperate

present participle of moderate

simple past tense and past participle of moderate

(obsolete) to moderate

The state or quality of being moderate; avoidance of extremes / An instance of moderating: bringing something away from extremes, especially in a beneficial way / The process of moderating a discussion

One who holds an intermediate position between extremes, as in politics.

(transitive) To reduce the excessiveness of (something) / (intransitive) To become less excessive / (transitive) To preside over (something) as a moderator