time-honored (adj.)

• accepted
• acknowledged
• age-old
• august
• awe-inspiring
• awesome
• awful
• conformable
• conventional
• current
• customary
• dreadful
• established
• estimable
• everyday
• familiar
• fixed
• habitual
• hallowed
• heroic
• hoary
• honorable
• honored
• immemorial
• inveterate
• legendary
• long-standing
• mythological
• normal
• oral
• ordinary
• popular
• prescribed
• prescriptive
• prevalent
• received
• recognized
• regular
• regulation
• respected
• revered
• reverend
• rooted
• set
• standard
• stock
• traditional
• true-blue
• understood
• unwritten
• usual
• venerable
• widespread
• wonted
• worshipful