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a. Having an intended or expected effect.
b. Producing a strong impression or response; striking: gave an effective performance as Othello.
2. Operative; in effect: The law is effective immediately.
3. Existing in fact; actual: a decline in the effective demand.
4. Prepared for use or action, especially in combat.
A soldier or a piece of military equipment that is ready for combat.

ef·fec′tive·ness, ef′fec·tiv′i·ty n.
Synonyms: effective, effectual, efficacious
These adjectives mean producing or capable of producing a desired effect: an effective reprimand; an effectual complaint; an efficacious remedy.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.effectivity - power to be effective; the quality of being able to bring about an effect
power, powerfulness - possession of controlling influence; "the deterrent power of nuclear weapons"; "the power of his love saved her"; "his powerfulness was concealed by a gentle facade"
incisiveness, trenchancy - keenness and forcefulness of thought or expression or intellect
efficaciousness, efficacy - capacity or power to produce a desired effect; "concern about the safety and efficacy of the vaccine"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
The Department of Public Works and Highways, in coordination with the Department of the Interior and Local Government and Metropolitan Manila Development Authority, is also tasked to remove such signages three months after the effectivity of the measure.
"The City of Santa Rosa is hereby separated from the First Legislative District of the Province of Laguna to constitute the Lone Legislative District of the City of Santa Rosa, which shall commence in the next national and local elections after the effectivity of this Act," the law read.
The transitory clause of Republic Act 11199 or the Social Security Act of 2018 provides that a Contribution Penalty Condonation Program will be implemented for six months from its effectivity in March 2019.
This time, the said resolution restated that the effectivity of the SP requirement for PSAs is on April 30, 2016 instead of November7, 2015, as previously set in ERC Resolution No.
In its May 3, 2019 decision, the SC also ruled that "upon compliance with the CSP, the power purchase cost resulting from such compliance shall retroact to the date of effectivity of the complying PSA, but in no case earlier than 30 June 2015, for purposes of passing on the power purchase cost to consumers."
However, it did not suspend its effectivity." "So, while crimes committed during the said period cannot be prosecuted during the effectivity of the TRO, they may be prosecuted after the lifting of the same just like what is done in this case," she added.
Error estimators can either be classified based on its convergence through the global effectivity index, which is defined as ratio of the estimated error to the true error or can be classified based on the procedures to obtain the estimates.
A present for the industrial sector, this machine provides innovation at the next level - boosting efficiency, effectivity, and productivity rate in the warehouse compared to manual driven operations.
Under the rules governing the declaration of martial law, the President has the sole authority to declare such extreme measure; however, the effectivity of such pronouncement is limited to 60 days after which he has to seek another mandate from Congress to extend its effectivity.
(file:///D:/vit%20backup%20files/IBT%20Australia%202014/Articles/May%202014/May%206/Boxing%20News%202014%20WBC%20Analysis%20%2054%20Effectivity%20for%20Mayweather%20Punches%2026%20for%20Maidana.docx) Boxing News 2014: WBC Analysis - 54% Effectivity for Mayweather Punches, 26% for Maidana