activate
//ˈæktɪveɪt//
Verb
activateInfinitive
activatePresent tense
activatedPast tense
activatedPast participle
activatingPresent participle
activatesThird-person singular
1
To make something start working or become operational by switching it on or triggering it.
Press this button to activate the alarm system.
2
To cause a process, system, or mechanism to begin functioning or to set it in motion.
Press this button to activate the alarm system.
3
To make something chemically or biologically active or reactive.
The enzyme is activated by heat.
4
To stimulate or trigger a response in cells, molecules, or biological systems.
The enzyme activates specific cells in the immune system.