trust·wor·thy /ˈtrʌstˌwɜːði $ -ɜːr-/ ●○○ adjectiveadj —trustworthiness noun [uncountableU]
n THESAURUSpeopletrustworthy especially written if someone is trustworthy, you can trust them because they are honestMany people do not see politicians as trustworthy.
reliable someone who is reliable can be trusted to do what they say they will do and not make any mistakesa reliable employee
We need someone who is 100% reliable.
responsible someone who is responsible can be trusted to behave in a sensible waySam’s a good babysitter – he’s responsible and the kids like him.
a responsible adult
dependable someone who is dependable can be trusted to do what you need or expectBritain is our most dependable ally.
steady someone who is steady is sensible and you can depend on themHe’s only sixteen, but he’s steady and reliable.
loyal someone who is loyal can be trusted to always give help or support to their friends, their country, their political party etcShe is fiercely loyal to her family.
He is one of the party’s most loyal supporters.
can rely/depend on somebody if you can rely or depend on someone, you can be sure that they will do what you want or need them to doDon’t worry about a thing – you can depend on me.
Patients rely on doctors to help them make the right decisions about their health care.
thingsreliable/dependable able to be trusted to do what you want, or to be accurateThe Boeing is a very reliable plane.
a dependable supply of oil
reliable economic forecasts
How can we be sure that his evidence is reliable?
trustworthy if something is trustworthy, you know that it is true or accuratea trustworthy source of information
a trustworthy guide
can rely/depend on something if you can rely or depend on something, you can be sure that they will do what you want or need them to doI need a car that I can rely on in all weathers.