Meaning : A person who takes a position in the political center.

Synonyms : centrist, middle of the roader, moderationist

Meaning : Preside over.

Example : John moderated the discussion.

Synonyms : chair, lead

Meaning : Make less fast or intense.

Example : Moderate your speed.

Meaning : Lessen the intensity of. Temper. Hold in restraint. Hold or keep within limits.

Example : Moderate your alcohol intake.
Hold your tongue.
Hold your temper.
Control your anger.

Synonyms : check, contain, control, curb, hold, hold in

Meaning : Make less severe or harsh.

Example : He moderated his tone when the students burst out in tears.

Synonyms : mince, soften

Meaning : Make less strong or intense. Soften.

Example : Tone down that aggressive letter.
The author finally tamed some of his potentially offensive statements.

Synonyms : tame, tone down

Meaning : Make more temperate, acceptable, or suitable by adding something else.

Example : She tempered her criticism.

Synonyms : mollify, season, temper

Meaning : Being within reasonable or average limits. Not excessive or extreme.

Example : Moderate prices.
A moderate income.
A moderate fine.
Moderate demands.
A moderate estimate.
A moderate eater.
Moderate success.
A kitchen of moderate size.
The X-ray showed moderate enlargement of the heart.

Meaning : Not extreme.

Example : A moderate penalty.
Temperate in his response to criticism.

Synonyms : temperate

Meaning : Marked by avoidance of extravagance or extremes.

Example : Moderate in his demands.
Restrained in his response.

Synonyms : restrained