a. turned back; reflected; resulting from reaction; Psychology, resulting directly, without conscious will, from a stimulus; n. reflected light, etc.; image; involuntary act. conditioned reflex, Psychology, reflex transferred to new or different stimulus. reflex angle, angle greater than 180°. reflexive, a. reflex; reflective; Grammar, signifying action directed or done to subject; n. Grammar, such verb or pronoun. reflexology, n. psychological theory of the reflex nature of all behaviour; treatment of illness and stress by massaging specific points on soles of feet. reflexologist, n.