Definition

1. Noun:
   • A person who mediates disputes and attempts to avoid violence: A moderator is someone who acts as an impartial party to help others resolve conflicts peacefully.
   • A person who presides over a forum or debate: A moderator is someone who facilitates a discussion, ensures rules are followed, and manages the flow of conversation among participants.
   • In the Presbyterian church, the officer who presides over a synod or general assembly: A moderator is an elected leader who chairs major church governing meetings.
   • Any substance used to slow down neutrons in nuclear reactors: In physics, a moderator is a material, such as water or graphite, used to reduce the speed of fast neutrons to sustain a nuclear chain reaction.

Usage Examples

• As a mediator:
  • The community leader acted as a moderator in the tense negotiations between the two groups.
• As a discussion facilitator:
  • The moderator introduced the debate topics and ensured each candidate had equal speaking time.
  • Online forum moderators remove posts that violate the community guidelines.
• In a religious context:
  • The newly elected moderator will lead the church assembly for the next year.
• In nuclear physics:
  • Heavy water is an effective moderator in certain types of nuclear reactors.

Advanced Usage

• "To moderate" (verb): The related verb form means to preside over, to make less extreme, or to reduce intensity.
  • She was asked to moderate the panel on climate change.
  • He tried to moderate his tone during the argument.

Variants and Related Words

• Moderate (adjective): Average in amount, intensity, or quality; not extreme.
  • The region enjoys a moderate climate.
• Moderation (noun): The process of reducing extremes; the quality of being reasonable and avoiding excess.
  • He advised drinking alcohol in moderation.
• Moderatorship (noun): The position or function of a moderator.
  • Her moderatorship of the committee was widely respected.

Synonyms

• Mediator: A person who attempts to make people involved in a conflict come to an agreement.
• Arbiter: A person who settles a dispute or has ultimate authority in a matter.
• Facilitator: A person who makes an action or process easier.
• Chairperson: A person who presides over a meeting.

Related Phrases

• "Act as a moderator": To perform the role of a moderator.
  • She was asked to act as a moderator for the online discussion.
• "Discussion moderator": A specific term for someone who facilitates a conversation.
  • The discussion moderator kept the conversation focused and productive.

Related Idioms

• "In a moderating capacity": Functioning in the role of a moderator.
  • He was present at the meeting in a moderating capacity, not as a participant.

Noun

1. someone who mediates disputes and attempts to avoid violence
2. someone who presides over a forum or debate
3. in the Presbyterian church, the officer who presides over a synod or general assembly
4. any substance used to slow down neutrons in nuclear reactors