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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.
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"
References in periodicals archive ?
Cu IUCD 375 with 5 years effectivity has been introduced in the programme as an alternative to the existing IUCD (Cu IUCD 380A with effectivity of 10 years).
The revised thresholds will apply to M&A transactions with definitive agreements executed after the effectivity of the memorandum circular.
96 percent of the index - expect heavy outflows until the date of effectivity.
To kick off the effectivity of Republic Act 10963 or the Tax Reform for Acceleration and Inclusion (TRAIN) Law, Revenue Commissioner Caesar Dulay has issued Memorandum Circular 105-2017 revising the withholding tax table on compensation.
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.
If the TRAIN bill is not approved before Congress adjourns for Christmas recess later this week, its proposed effectivity on January 1, 2018 will be affected.
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.
Aircraft Centricity, a new set of features within the ATP Aviation Hub cloud solution, helps MROs and maintenance professionals access information with speed while ensuring high levels of safety and compliance through accurate determination of document effectivity.
The meeting also discussed the effectivity of the implementation of plans and programs during the last season.
David SW Song, Senior Vice President of Strategy Marketing and Sales, Printing Solutions, Samsung Electronics said, The Samsung new series of printers are perfect for today`s competitive world, these printers are hallmark of the company`s commitment to provide the best printing solution to consumers with cost effectivity and advancement in technology through integrated functionality coupled with convenience and easy to use module".
docx) Boxing News 2014: WBC Analysis - 54% Effectivity for Mayweather Punches, 26% for Maidana
The effectivity of telecommunictions differs from nations that provide the