Synonym of congee: to take leave, to bid farewell, in various senses; to bow, to curtsey, etc.
So giving to the Houſe content,
We Conge'd, and away we went. 1724, Ned Ward, “The Merry Travellers: or, a Trip upon Ten-Toes from Moorfields to Bromley”, in The Wandring Spy: or, the Merry Observator, London: A. Bettesworth, published 1729, page 44: