What is the meaning of moderating?

verb

• Preside over.
  • usage: "John moderated the discussion"
  • synonyms: moderate, chair, lead
• Make less fast or intense.
  • usage: "moderate your speed"
  • synonyms: moderate
• Lessen the intensity of; temper; hold in restraint; hold or keep within limits.
  • usage: "moderate your alcohol intake"; "hold your tongue"; "hold your temper"; "control your anger"
  • synonyms: control, hold in, hold, contain, check, curb, moderate
• Make less severe or harsh.
  • usage: "He moderated his tone when the students burst out in tears"
  • synonyms: mince, soften, moderate
• Make less strong or intense; soften.
  • usage: "Tone down that aggressive letter"; "The author finally tamed some of his potentially offensive statements"
  • synonyms: tone down, moderate, tame
• Restrain.
  • synonyms: chasten, moderate, temper

adjective

• Lessening in intensity or strength. .