The term 'THE CONSEQUENCE OF AN ACTION; OUTCOME' can be summarized as the RESULT of an action. This is a phrase that is used to describe the end RESULT of a particular action or event. It is often used to refer to the consequences of a decision or action, such as the outcome of a court case or the effects of a policy change. The crossword solution for this term is RESULT, which is a six-letter word meaning the final consequence of an action or event.