the world > action or operation > manner of action > rapidity or speed of action or operation > [adverb] > expeditiously (6)
With the speed of a person travelling post; with all possible haste; immediately.
In an expeditious manner; speedily, with expedition.
Expeditiously, promptly; out of hand. Obsolete.
figurative. With verbs other than those of motion. Obsolete.
quasi adv. Speedily, quickly, in haste. Obsolete.