behāvˈioural or (N American) behāvˈioral adjective

Of or relating to behaviour or behaviourism

behāvˈiourally or (N American) behāvˈiorally adverb

behāvˈiourism or (N American) behāvˈiorism noun

The psychological theory that behaviour is governed by conditioning rather than internal processes and that by changing behaviour patterns it is possible to treat psychological disorders

behāvˈiourist or (N American) behāvˈiorist noun

An upholder of behaviourism

behavioural enrichment noun

The creation of a mentally stimulating environment for a captive animal, eg in a zoo, with provision of objects for the animal to investigate and play with

behavioural science noun

A science (eg psychology, sociology) which studies the behaviour of human beings or other organisms

behaviour therapy noun

A means of treating a neurotic symptom (eg a phobia) by training the patient in new behaviour and gradually conditioning him or her to react normally

on or upon one's best behaviour

Consciously trying to be as well-behaved as possible