solidness

worthiness as the recipient of another's trust or confidence her proven solidness as a friend is something that I can't even begin to describe Synonyms dependability, dependableness, reliableness, responsibility, solidity, reliability, sureness, trustability, trustworthinessRelated Words inerrancy, infallibility; credibility, creditability, creditablenessNear Antonyms doubtfulness, dubiousness, questionableness, shakiness, uncertainnessAntonyms dodginess [chiefly British], unreliability