(n): something that people do or cause to happen
(n): the state of being active
(n): the way something is with respect to its main attributes
(n): an organic process that takes place in the body
(n): a process occurring in living organisms
(n): (chemistry) the capacity of a substance to take part in a chemical reaction
(n): the susceptibility of something to a particular treatment
(n): a process existing in or produced by nature (rather than by the intent of human beings)
(n): a sustained phenomenon or one marked by gradual changes through a series of states
(n): the trait of being active; moving or acting rapidly and energetically
(n): a distinguishing feature of your personal nature
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