to treat, provide, or fill (a substance) with another substance to the point where no more of it can be absorbed, dissolved, or retained
water saturated with salt
to cause (two or more substances) to combine chemically until there is no further ability or tendency to combine
to cause (something or somebody) to become thoroughly wet
to fill (something) completely with a permeating or suffusing effect or substance
Moonglow saturates an empty sky — Henry Miller
to fill (something) to capacity
to supply (a market) with all the goods it will absorb
to overwhelm (an area) with military forces or firepower
[Latin saturatus, past part. of saturare, from satur sated, full]