"promovent" -- it is a delicate title, and I like it -- no promovent figures oftener than a civil engineer.    From Wordnik.com.  [Cornelius O'Dowd Upon Men And Women And Other Things In General] Reference

For he had need be well conducted that should design to make axioms convertible, if he make them not withal circular, and non-promovent, or incurring into themselves; but yet the intention was excellent.    From Wordnik.com.  [The Advancement of Learning] Reference