reliable
Definitions
Consistently good in quality or performance; able to be trusted.
Dependable and able to be relied upon for accuracy or honesty.
Examples
She is a reliable employee who always meets her deadlines.
The local train service is generally very reliable during the week.
It is important to have a reliable car when you live in the countryside.
Synonyms
dependable trustworthy steady consistent faithful loyal responsible
Antonyms
unreliable untrustworthy inconsistent erratic unpredictable fickle irresponsible