levigate

To make into a smooth, fine powder or paste, as by grinding when moist.

To separate fine particles from coarse by grinding in water.

To suspend in a liquid.

To make smooth; polish.

Smooth.

To lighten; make light of; belittle the importance of.

To rub or grind to a fine impalpable powder, as in a mortar. See levigation.

To plane; polish; make smooth.

Smooth as if polished; having a polished surface: applied in botany to leaves, seeds, etc. Also lævigate.