This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. Chiefly British Variant of behavior.

n. The way a living creature behaves or acts.

n. The way a device or system operates.

n. the action or reaction of something (as a machine or substance) under specified circumstances

n. (behavioral attributes) the way a person behaves toward other people

n. (psychology) the aggregate of the responses or reactions or movements made by an organism in any situation

n. manner of acting or controlling yourself

"Thinking about how one's children/grandchildren would think about his or her behaviour is an excellent filter for how we should act (though, not the ONLY one people should rely on, imo)."

activeness    action    activity   

behaviouralist    -behaved    behavioural    behave    behaviouralism   

human behaviour   

behavior    disposition    habit    feeling    deed    affection    action    intention    personality    speech