marked by qualities giving the power to produce an intended effect; "written propaganda is less efficacious than the habits and prejudices...of the readers"-Aldous Huxley; "the medicine is efficacious in stopping a cough"
(usually followed by `of') having capacity or ability; "capable of winning"; "capable of hard work"; "capable of walking on two feet"
(followed by `of') having the temperament or inclination for; "no one believed her capable of murder"
possibly accepting or permitting; "a passage capable of misinterpretation"; "open to interpretation"; "an issue open to question"; "the time is fixed by the director and players and therefore subject to much variation"
(used of persons or artifacts) marked by independence and creativity in thought or action; "an imaginative use of material"; "the invention of the knitting frame by another ingenious English clergyman"- Lewis Mumford; "an ingenious device"; "had an inventive turn of mind"; "inventive ceramics"
using the minimum of time or resources necessary for effectiveness; "an economic use of home heating oil"; "a modern economical heating system"; "an economical use of her time"
financially rewarding; "it was no longer economic to keep the factory open"; "have to keep prices high enough to make it economic to continue the service"
concerned with worldly necessities of life (especially money); "he wrote the book primarily for economic reasons"; "gave up the large house for economic reasons"; "in economic terms they are very privileged"
of or relating to the science of economics; "economic theory"
of or relating to an economy, the system of production and management of material wealth; "economic growth"; "aspects of social, political, and economical life"
(usually followed by `to') having the necessary means or skill or know-how or authority to do something; "able to swim"; "she was able to program her computer"; "we were at last able to buy a car"; "able to get a grant for the project"
having inherent physical or mental ability or capacity; "able to learn"; "human beings are able to walk on two feet"; "Superman is able to leap tall buildings"
have the skills and qualifications to do things well; "able teachers"; "a capable administrator"; "children as young as 14 can be extremely capable and dependable"
having a strong healthy body; "an able seaman"; "every able-bodied young man served in the army"
being or characterized by concepts or their formation; "conceptual discussions"; "the schizophrenic loses ability to abstract or do conceptual thinking"; "sex is a notional category, gender is a grammatical category"