venerable

adj. worthy of honor and esteem (because of age, achievement, or position); deserving reverence and respect (because of historical or religious status)

Venerable is an official epithet in several Christian churches.
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Adjective
1. impressive by reason of age; "a venerable sage with white hair and beard"
(similar) old
2. profoundly honored; "revered holy men"
(synonym) august, revered
(similar) honorable, honourable

adj. venerable, reverend

adj. venerable, worthy of honor and esteem