effective

Adjective

• ready for service
  • the fort was held by about 100 effective soldiers
    

• existing in fact; not theoretical; real
  • a decline in the effective demand
    
  • confused increased equipment and expenditure with the quantity of effective work done
    

• exerting force or influence
  • the law is effective immediately
    
  • a warranty good for two years
    
  • the law is already in effect (or in force)
    

• works well as a means or remedy
  • an effective reprimand
    
  • a lotion that is effective in cases of prickly heat
    

• 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...-G.B.Shaw
    
  • effective personnel
    
  • an efficient secretary
    
  • the efficient cause of the revolution
    

• 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-LewisMumford
    
  • effective teaching methods
    
  • effective steps toward peace
    
  • made an effective entrance
    
  • his complaint proved to be effectual in bringing action
    
  • an efficacious law
    

Related words

• Synonyms: 
  good , in effect(p) , in force(p) , efficient , effectual , efficacious
• Antonyms: 
  ineffective , uneffective , ineffectual