1. arrival, coming, advent. 2. demeanor, presence. Appearance, aspect, guise refer to the way in which something outwardly presents itself to view. Appearance refers to the outward look: the shabby appearance of his car. Aspect refers to the appearance at some particular time or in special circumstances; it often has emotional implications, either ascribed to the object itself or felt by the beholder: In the dusk the forest had a terrifying aspect. Guise suggests a misleading appearance, assumed for an occasion or a purpose: under the guise of friendship. 3. face, pretense.