Commanding and Efficacious

verb

• Be in command of.
  • usage: "The general commanded a huge army"
  • synonyms: command
• Make someone do something.
  • synonyms: command, require
• Demand as one's due.
  • usage: "This speaker commands a high fee"; "The author commands a fair hearing from his readers"
  • synonyms: command
• Look down on.
  • usage: "The villa dominates the town"
  • synonyms: dominate, command, overlook, overtop
• Exercise authoritative control or power over.
  • usage: "control the budget"; "Command the military forces"
  • synonyms: control, command

adjective

• Used of a height or viewpoint.
  • usage: "a commanding view of the ocean"; "looked up at the castle dominating the countryside"; "the balcony overlooking the ballroom"
  • synonyms: dominating, overlooking

• (a.) Fitted to impress or control; as, a commanding look or presence.
• (a.) Exercising authority; actually in command; as, a commanding officer.
• (a.) Exalted; overlooking; having superior strategic advantages; as, a commanding position.
• (p.pr.&vb.n.) of Command.

adjective

• Marked by qualities giving the power to produce an intended effect.
  • usage: "written propaganda is less efficacious than the habits and prejudices... Of the readers-Aldous Huxley; "the medicine is efficacious in stopping a cough"
• Producing or capable of producing an intended result or having a striking effect.
  • usage: "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"
  • synonyms: effective, effectual

(n.) Possessing the quality of being effective; productive of or powerful to produce, the effect intended; as, an efficacious law.