moderate to inferior in quality
lacking exceptional quality or ability
poor to middling in quality
make less strong or intense; soften
not extreme
a person who takes a position in the political center
make more temperate, acceptable, or suitable by adding something else
make less severe or harsh
lessen the intensity of; temper; hold in restraint; hold or keep within limits
preside over
marked by avoidance of extravagance or extremes
being within reasonable or average limits; not excessive or extreme
make less fast or intense