effectual

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

1. 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
• Syn:
effective, efficacious
• Ant:
ineffective (for: effective)
• Similar to:
hard-hitting, trenchant, impelling, impressive, telling, rough-and-ready
• See Also:
efficacious, efficient, potent, strong, stiff,
powerful, useful, utile
• Derivationally related forms:
efficacy (for: efficacious), efficaciousness (for: efficacious), effectualness, effectuality, effect (for: effective), effectiveness (for: effective), effectivity (for: effective)
• Attrubites:
effectiveness, effectivity, effectualness, effectuality
2. having legal efficacy or force
- a sound title to the property
• Syn:
legal, sound
• Similar to:
valid
• Derivationally related forms:
legality (for: legal)

• Từ đồng nghĩa / Synonyms:
  legal, sound, effective, efficacious
• Từ trái nghĩa / Antonyms:
  ineffective, uneffective, ineffectual