Credible (adjective)

1. Able to be believed; trustworthy or believable.
2. Having a good reputation; respected.
3. Plausible, having a appearance of being true or real.

Origin:

From middle english credibil, from latin credibilis, from credere ("to believ.e")

Examples:

1. His story was not credible.
2. The witness was considered credible by the court.
3. The company has a credible reputation in the industry.
4. The website is credible source of information.
5. The evidence was credible and supported the claims.