Having, or capable of exerting power, potency or influence. / Leading to many or important deductions. / (mining) Large; capacious; said of veins of ore.

(economy) Opposing or countering economic depression. / (pharmacology) An antidepressant.

An enclosure. / The line of works forming the main enclosure of a fortress. / The area or town enclosed by a line of fortification.

plural of ectomy