consistent
UK: kənˈsɪstənt | US: kənˈsɪstənt
adj. acting or done in the same way over time; unchanging
adj. (of an argument or theory) logically coherent
adj. compatible or in agreement with something
The word "consistent" originates from Latin consistere ("to stand firm, stop, or hold together"), combining con- (intensive prefix meaning "together") and sistere ("to stand"). Over time, it evolved to describe actions or qualities that "stand together" without contradiction, reflecting reliability or logical harmony. The suffix -ent marks it as an adjective.
Her performance has been consistent throughout the season.
The witness gave a consistent account of the event.
His actions are not consistent with his words.
A good theory must be internally consistent.
The paint provides consistent coverage on all surfaces.