Producing or capable of producing an intended result or having a striking effect:
— An air-cooled motor was more effective than a witch's broomstick for rapid long-distance transportation.
— Effective teaching methods.
— Effective steps toward peace.
— Made an effective entrance.

synonyms: effectual, efficacious.

Roget 731: succeeding etc. v.; successful; prosperous etc. 734; triumphant; flushed with success, crowned with success; victorious, on top; set up; in the ascendant; unbeaten etc. (beat) etc. v.; well-spent; felicitous, effective, in full swing.    ... show more

Roget 644: useful; of use etc. n.; serviceable, proficuous^†, good for; subservient etc. (instrumental) 631; conducive etc. (tending) 176; subsidiary etc. (helping) 707.    advantageous etc. (beneficial) 648; profitable, gainful, remunerative, worth one's salt; valuable; prolific etc. (productive) 168.    adequate; efficient, efficacious; effective, effectual; expedient etc. 646.    applicable, available, ready, handy, at hand, tangible; commodious, adaptable; of all work.    ... show more

Roget 175: influential, effective; important etc. 642; weighty; prevailing etc. v.; prevalent, rife, rampant, dominant, regnant, predominant, in the ascendant, hegemonical^†.    ... show more

Roget 157: powerful, puissant; potential; capable, able; equal to, up to; cogent, valid; efficient, productive; effective, effectual, efficacious, adequate, competent; multipotent^†, plenipotent^†, omnipotent; almighty.    forcible etc. adj.. (energetic) 171; influential etc. 175; productive etc. 168.    ... show more

Able to accomplish a purpose; functioning effectively:
— People who will do nothing unless they get something out of it for themselves are often highly effective persons....
— Effective personnel.

synonym: efficient.

Works well as a means or remedy.

Polish: skuteczny

Exerting force or influence:
— The law is effective immediately.

synonyms: good, in effect, in force.

Existing in fact; not theoretical; real.

Ready for service.