dependability

worthiness as the recipient of another's trust or confidence her dependability as a friend, in good times and bad, is legendary Synonyms reliability, dependableness, reliableness, responsibility, solidity, solidness, sureness, trustability, trustworthinessRelated Words inerrancy, infallibility; credibility, creditability, creditablenessNear Antonyms doubtfulness, dubiousness, questionableness, shakiness, uncertainnessAntonyms dodginess [chiefly British], unreliability