stable

Not likely to change, move, or fail; firmly established; not likely to deteriorate.

• stability/stəˈbɪlɪti/(n)稳定性
• stabilize/ˈsteɪbɪlaɪz/(v)使稳定
• instability/ˌɪnstəˈbɪlɪti/(n)不稳定

• stable environment
• stable growth
• politically stable
• stable income
• remain stable
• stable relationship

1. 1.Investors tend to favour countries with stable political environments and clear rule of law.
2. 2.After months of volatility, the currency stabilised once the central bank intervened in the foreign exchange market.

• steady/ˈstedi/— not changing or moving
• solid/ˈsɒlɪd/— firm and reliable
• secure/sɪˈkjʊə/— safe and not likely to fail

from Latin "stabilis," from "stare" (to stand)