What does actuating mean?
'Actuating' is the present participle of the verb 'actuate,' which means to put something into motion or operation. In contemporary English it is used chiefly in technical contexts: an actuating mechanism, signal, or force is one that causes a machine, switch, or device to function — for example, a sensor actuating a valve. A second, older sense applies to people rather than machines: to be actuated by a motive is to be driven or impelled to act by it, as in 'actuated by ambition.' This figurative use now sounds formal or literary but remains perfectly correct. The word derives from Latin 'agere,' meaning 'to do' or 'to drive,' the same prolific root behind 'agent,' 'agenda,' and 'agile.' Related forms include the noun 'actuation' and the noun 'actuator,' the standard engineering term for the component that physically moves or controls a mechanism. Whether describing machinery or motivation, 'actuating' conveys the idea of setting something decisively in motion.
verb (present participle and gerund of 'actuate')The present participle of 'actuate': causing a machine or device to operate, or motivating someone to act in a particular way.
- To cause a machine or mechanical device to operate or move.
- To motivate or incite a person to take action.
"A small sensor is responsible for actuating the valve whenever pressure drops."
"The thermostat works by actuating the furnace when the temperature falls below the set point."
"She was actuated by a deep sense of duty rather than any hope of reward."
Every time an engineer says 'actuator,' they're echoing the Latin 'agere' — the same verb that gave us 'agent,' 'agenda,' and even 'agile.'
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of actuating
'Actuating' comes from the Latin verb 'agere,' meaning 'to drive, do, or act,' via the Medieval Latin 'actuare,' 'to put into action.' The English verb 'actuate' was formed in the early seventeenth century, initially carrying the sense of motivating a person, with the mechanical sense developing later alongside industrial technology. It shares its root with a wide family of words from 'agere,' including 'agent,' 'agenda,' 'agile,' and 'transact.'
Related word forms
How actuating is actually used
In modern usage, 'actuating' appears most often in technical and engineering contexts describing mechanisms; its sense of 'motivating a person' survives mainly in formal or literary prose, often in the phrase 'actuated by.'
Easily confused with actuating
'Actualizing' means making something real or potential into actuality, while 'actuating' means setting a mechanism in motion or impelling someone to act.