Synonyms and related words :
apparition, brainchild, bubble, chimera, creativity, delirium, eidolon, fancy, fantasque, fantasy, fiction, figment, hallucination, idle fancy, illusion, imagery, imaginativeness, imagining, ingenuity, insight, inspiration, insubstantial image, intelligence, invention, inventiveness, maggot, make-believe, myth, phantasm, phantom, romance, sick fancy, thick-coming fancies, thinking, thought, trip, vapor, vision, visualization, whim, whimsy, wildest dreams, wit