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activate

ac·ti·vate

activate

 
pronunciation:
aek t veIt
features:
Word Parts
part of speech: transitive verb
inflections: activated, activates, activating
definition 1: to initiate action in; make active.
This button activates the wind machine.
See a movie for this meaning
See a movie for this meaning
 
synonyms:
actuate, energize, start, stimulate
antonyms:
arrest, halt, inhibit, stop
similar words:
arouse, commence, compel, drive, excite, ignite, impel, induce, initiate, inspire, kindle, motivate, prod, propel, trigger, trip, vitalize
definition 2: in chemistry, to make more reactive, as by heating.
antonyms:
inhibit
similar words:
catalyze, hasten, stimulate, volatilize
definition 3: to assign (a military unit) to active status.
synonyms:
assign, ready
antonyms:
deactivate
similar words:
appoint, call, engage, mobilize, post, prepare, summon
definition 4: in physics, to cause radioactive properties in (a substance).
similar words:
excite, irradiate, x-ray
definition 5: to cause decomposition in (sewage) by aerating.
synonyms:
aerate, oxygenate
similar words:
air, charge, decompose, ventilate
derivation: activation (n.)
Word Parts
The word activate contains the following parts:
-ate1 Latin verb-forming suffix that means to make, cause, do
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The suffix -ate primarily forms transitive verbs from Latin bases. Many -ate verbs were loanwords from Latin. Verbs ending in -ate combine with the suffix -ion to form nouns ending in -ation. These verbs also have corresponding agent nouns ending in -ator (navigator, dictator, elevator).
-ive, -ative Latin adjective-forming suffix that means tending to, connected with, or performing
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The suffix -ive , -ative turns Latinate verb bases into adjectives. Many adjectives ending in -ive , -ative have corresponding noun forms ending in -ity (objective , objectivity) or -ion (effusive , effusion).