9 Q Without U Words for Words With Friends
c.1700, of knowledge, etc., a figurative use, from French cultivation (16c.), noun of action from cultiver, from Latin cultivare "to till" (see cultivate). Meaning "raising of a plant or crop" is from 1719; literal sense of "tilling of the land" is from 1725.
cultivation cul·ti·va·tion (kŭl'tə-vā'shən)
The process of promoting the growth of a biological culture.