ACT, Gr., Lat. to urge, drive, lead, bring, do, perform, or in general to move, to exert force.
1. To exert power as, the stomach acts upon food the will acts upon the body in producing motion.
2. To be in action or motion to move
He hangs between in doubt to act or rest.
3. To behave, demean, or conduct, as in morals, private duties, or public offices as, we know not why a minister has acted in this manner. But in this sense, it is most frequent in popular language as, how the man acts or has acted.
To act up to, is to equal in action to fulfil or perform a correspondent action as he has acted up to his engagement or his advantages.
The King James Bible has stood its ground for nearly 400 years. However, during that time the English language has changed, and with it the meanings of some words it used. Here are more than 6,500 words whose definitions have changed since 1611.Wikipedia
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