1to cultivate (personal qualities)
2(of forests etc) to support; to provide a suitable environment for the replenishment of (natural resources: groundwater, animals, plants etc)
Example
nì jìng逆境shùn jìng顺境kàn看jīn襟dù度，lín临xǐ喜lín临nù怒kàn看hán yǎng涵养。
逆境顺境看襟度，临喜临怒看涵养。
Adversity and prosperity reveal one's breadth of mind; joy and anger test one's self-restraint.