reliable

adjective

1. worthy of reliance or trust

- A reliable witness will always tell the truth.

Similar word(s): certain, sure, tested, tried, undeviating, trustworthy, trusty, dependable

2. worthy of being depended on

- a reliable source of information

Similar word(s): trustworthy, trusty, dependable, honest, true

3. conforming to fact and therefore worthy of belief

- reliable information

Similar word(s): trustworthy, trusty, authentic

noun

1. Something or someone reliable or dependable

- the old reliables