noun cover; cloak; as, under the guise of patriotism.
2. guise ·noun external appearance in manner or dress; appropriate indication or expression; garb; shape.
3. guise ·noun customary way of speaking or acting; custom; fashion; manner; behavior; mien; mode; practice;
often used formerly in such phrases as: at his own guise; that is, in his own fashion, to suit himself.