All 3 Uses

cultivate
in
Happy, Happy, Happy ... Duck Commander
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On her land were two cleared, cultivatable fields of about thirty acres each.†
p. 28.5 *

cultivatable = can be made suitable for growing crops; or able to be grown, developed, or enhanced

standard suffix: The suffix "-able" means able to be. This is the same pattern you see in words like breakable, understandable, and comfortable.
We have planted, cultivated, and protected the grasses on our land primarily for ducks.†
p. 161.6

cultivated = developed, grown, or prepared for growing crops
Our wetlands are covered with native millets, sedges, and nut grass, as well as planted stands of Pennsylvania smartweed, American smartweed, and sprangletop, creating a mosaic of wild and cultivated plants.†
p. 161.8

Definitions:

(1) (cultivate)
enhance growth or development
in various senses, including:
- to grow crops or prepare land for them
- enhance a relationship -- especially for a purpose
- develop discernment (better recognition of differences) in taste or judgment
- to grow a culture in a petri dish
(2) (meaning too rare to warrant focus)
The word form cultivator is commonly used to describe a machine used to prepare soil for growing crops.