Prosperous growth, physical thriving.

(up-, prefix affix 3d.)

The quality or degree of thriving.

Vegetative power or quality.

Vegetation, growth.

The action of vegetate, v. (in various senses). Also: the state of growing as a vegetable.

Originally: †the power of growth (obsolete). In later use: the action (by a plant or seed) of growing or starting to grow. Cf. vegetate, v. 1.

The becoming more numerous or frequent; growth in numbers; multiplication. The fruitful multiplication of plants or crops.

Botany. Increase in the number of whorls or in the number of organs in a whorl. Cf. pleiotaxy n. at pleio-, comb._form affix.