cause, explanation, or justification for action or event. Explanations for why some things occurred or was done. think, understand, and form judgements logically.

intersection of two or more roads. Point where a choice or decision must be made.

To boil a liquid until it has decreased in amount.

used to single out one person or thing over all others.

engaging in speech. action of talking. To make a formal speech about something.

Fact of increasing; amount something grows by. To make or become larger in size or amount.

expressive. Idea or thing represented by words or sentences. To have a particular intention or value.

separate or respective. more than two but not many. More than two but not a large amount.

act or process bringing change. Acts of making or becoming something else. To replace something with another thing.

give money etc..

Lack of control the overuse of something e.g. drugs.

Referring to any particular kind, type, quantity. at all. Anything or everything needed; no matter what. said as response indicating reluctance to discuss something, often implying indifference. used for emphasis instead of 'what' in questions.

Particular type of material.

For a reason.

any of group of hormones secreted within brain and nervous system. Neurochemical having analgesic properties.