hothouse

Short definition from Wiktionary

Noun

1. 1
   A heated greenhouse.
2. 2
   An environment in which growth or development is encouraged naturally or artificially; a hotbed.
3. 3
   An environment full of conflict or plots.
4. 4
   A bagnio, or bathing house; a brothel.
5. 5
   A heated room for drying greenware.
6. 6
   A hot state in global climate.

Verb

1. 1
   To provide (a child) with an enriched environment with the aim of stimulating academic development.