dependable

allegiant authentic authoritative come through consistent constant convincing credible durable faithful foolproof good good honorable just level-headed levelheaded liege more consistent more constant more credible more durable more regular more trustworthy more trustworthy most consistent most punctual most trustworthy most trustworthy on time on time punctual regular reliable reputable responsible safe safe safest safest safer safer serviceable sound stalwart steadfast steady tested tried and true tried tried-and-true tried-and-true/tried and true true true true-blue truer truest trustiest trustiest trustworthy trusty trustworthy/trusty trustier trustier trusted unfailing unquestionable veracious well-made worthy