be, feel, look, seem
make sth
keep sth
Put a book under the table leg to keep it stable.

extremely, fairly, very, etc.
perfectly, quite
Don't worry—it's perfectly stable!

enough, sufficiently
The unit is stable enough on level ground.

be, look, seem
become
remain
keep sth
attempts to keep prices stable

extremely, fairly, very, etc.
highly, remarkably
completely, perfectly
Animals rarely live in completely stable environments.

comparatively, more or less, reasonably, relatively, roughly
enough, sufficiently
He was not emotionally stable enough to think through his decision.

apparently
emotionally, financially, politically

Stable is used with these nouns:
background, condition, currency, democracy, door, economy, employment, environment, future, home, jockey, molecule, orbit, relationship, situation, structure, system, temperature, yard