from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To make into a smooth, fine powder or paste, as by grinding when moist.
- transitive v. To separate fine particles from coarse by grinding in water.
- transitive v. To suspend in a liquid.
- transitive v. To make smooth; polish.
- adj. Smooth.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To make smooth or polish.
- v. To make into a smooth paste or fine powder.
- v. To separate finer grains from coarser ones by suspension in a liquid.
- v. To lighten.
- v. To belittle
- adj. Smooth.
- adj. Alleviated.
from the GNU version of the Collaborative International Dictionary of English
- adj. Made less harsh or burdensome; alleviated.
- transitive v. To free from grit; to reduce to an impalpable powder or paste.
- transitive v. To mix thoroughly, as liquids or semiliquids.
- transitive v. To polish.
- transitive v. To make smooth in action.
- transitive v. Technically, to make smooth by rubbing in a moist condition between hard surfaces, as in grinding pigments.
- adj. Made smooth, as if polished.
from The Century Dictionary and Cyclopedia
- 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.
- To lighten; make light of; belittle the importance of.
- Lightened; alleviated.
Latin lēvigāre, lēvigāt- : lēvis, smooth; see lei- in Indo-European roots + agere, to make, do; see ag- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
From levigatus, past participle of Latin levigo ("I smoothen"). (Wiktionary)