adjective
1.
Synonyms: reliable 1, secure, tried, tried and true, trustworthy, trusty
Related Word: assured, confident, sure; responsible; constant, faithful, loyal, staunch, steadfast, steady
Idioms: as good as one's word, to be counted on
Contrasted words: capricious, fickle, inconstant, mercurial, unstable; dishonest, lying, mendacious, untruthful
Antonyms: independable, undependable
2.
Synonyms: true 9, authoritative, trustable, trustworthy
3.
Synonyms: certain 3, accurate, authentic, reliable