He did not return to Calvert House; not because he remembered the girl's advice and was acting upon it.
You are not to suppose that in all this Sir Oliver was acting upon any preconcerted plan.
Sometimes Gold is intimately combined with such mineral matters as hinder the Mercury from acting upon it.
The king was now acting upon the advice of his ghostly counsellors!
It so happened that, acting upon some unspoken yet understood agreement, every one tried to direct Piotr's attention to Elena.
This is obtained by considering (and acting upon) the principles involved.
The offspring of gloomy fanaticism, acting upon materials but too well prepared for such impressions.
acting upon this, he turned the spoil out upon the buttercups.
Little in substance as my information was, all the younger officers were in favor of acting upon it.
Quick, all of you; our weight is acting upon the ashes, and they are gliding down with us.
late 14c., "a thing done," from Old French acte "(official) document," and directly from Latin actus "a doing, a driving, impulse; a part in a play, act," and actum "a thing done," originally a legal term, both from agere "to do, set in motion, drive, urge, chase, stir up," from PIE root *ag- "to drive, draw out or forth, move" (cf. Greek agein "to lead, guide, drive, carry off," agon "assembly, contest in the games," agogos "leader;" Sanskrit ajati "drives," ajirah "moving, active;" Old Norse aka "to drive;" Middle Irish ag "battle").
Theatrical ("part of a play," 1510s) and legislative (early 15c.) senses of the word also were in Latin. Meaning "display of exaggerated behavior" is from 1928. In the act "in the process" is from 1590s, perhaps originally from the 16c. sense of the act as "sexual intercourse." Act of God "uncontrollable natural force" recorded by 1726.
An act of God is an accident which arises from a cause which operates without interference or aid from man (1 Pars. on Cont. 635); the loss arising wherefrom cannot be guarded against by the ordinary exertions of human skill and prudence so as to prevent its effect. [William Wait, "General Principles of the Law," Albany, 1879]
mid-15c., "to act upon or adjudicate" a legal case; 1590s in the theatrical sense, from Latin actus, past participle of agere (see act (n.)). To act up "be unruly" is from 1903. To act out "behave anti-socially" (1974) is from psychiatric sense of "expressing one's unconscious impulses or desires." Related: Acted; acting.