"Dependable" is the word you are looking for. It means repable, trustworthy, and able to be counted on. Here are a few examples of how you might use it in a phrase:

"She is a dependable employee who always gets her work done on time."
"He is a dependable friend who is always there for me when I need him."
"The company has a reputation for producing dependable products."

You could also use the word "repable" as a synonym for dependable. For example:

"The car is repable and has never given me any trouble."
"She is a repable babysitter who always shows up on time."
"He is a repable source of information and always does thorough research before making a recommendation."