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"
immediately following in time or order; "the following day"; "next in line"; "the next president"; "the next item on the list"
going or proceeding or coming after in the same direction; "the crowd of following cars made the occasion seem like a parade"; "tried to outrun the following footsteps"