• the avoidance of excess or extremes, especially in one's behaviour or political opinions

Synonyms: self-restraint, restraint, self-control, self-discipline

• the action or process of moderating examination papers, results, or candidates

• the action or process of monitoring an online forum or social media platform to ensure that its users and content abide by the rules, especially by deleting inappropriate or offensive content and banning or suspending users

• the retardation of neutrons by a moderator