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n.
(biology) a taxonomic category consisting of members of a species that differ from others of the same species in minor but heritable characteristics; "varieties are frequently recognized in botany"
n.
a major social class or order of persons regarded collectively as part of the body politic of the country (especially in the United Kingdom) and formerly possessing distinct political rights
n.
a group of independent but interrelated elements comprising a unified whole; "a vast system of production and distribution and consumption keep the country going"
n.
the subject matter of a conversation or discussion; "he didn't want to discuss that subject"; "it was a very sensitive topic"; "his letters were always on the theme of love"
v.
evaluate or estimate the nature, quality, ability, extent, or significance of; "I will have the family jewels appraised by a professional"; "access all the factors when taking a risk"