Another word for efficient
Said of persons
competent, businesslike, proficient, productive, good at, apt, adequate, fitted, able, capable, qualified, skillful, effective, clever, talented, energetic, skilled, adapted, familiar with, deft, adept, expert, experienced, having the requisite skill, workmanlike, having adequate energy, equal to, drilled, exercised, practiced, practical, accomplished, potent, active, dynamic, decisive, tough, shrewd, highpowered*; see also sense 2; able 2.
Said of things
economical, fitting, suitable, suited, effectual, effective, efficacious, adequate, serviceable, useful, profitable, saving, thrifty, labor-saving, time-saving, valuable, expedient, handy, conducive, well-designed, streamlined, cost-effective, unwasteful, practical, good for.