Adaptation

Definitions

Chaplin

Structural or functional change which enhances the organism’s survival value. Dictionary of Psychology

Jung

…man can meet the demands of outer necessity in an ideal way only if he is adapted to his own inner world, that is, if he is in harmony with himself. Conversely, he can only adapt to his inner world and achieve harmony with himself when he is adapted to the environmental conditions.A Primer of Jungian Psychology, p. 75