deserving of great respect due to character, wisdom, or achievements, impressive due to being of advanced age;
e.g. The council had many venerable elders on it, all of who could speak with wisdom and authority.
(adjective)
deserving of respect and reverence, used as a title for an archdeacon in the Anglican church or as an address for a Roman Catholic who is deceased but not fully sanctified;
e.g. They paid their respects to the venerable man with their heads bowed.