The quality of life, usually in an urbansetting, where the accessibility to needs and services contributes to overall well-being; livable acts.
The livability of my city is attributable to the freshlocal vegetables from the market in the middle of the city core accessible by walking from my home.
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.