Synonyms for Stockade:

n.

dyke, groyne, bulwark, dry-stone wall, earthwork, barrage, breakwater, groin, dam. barrier (noun)
enclosure, protection.
defense (noun)
bastille, stronghold.
enclosure; jail (noun)
cooler, penitentiary, dungeon, cell, protection, pound, jailhouse, cage, prison, fence, pen, coop.
fortification (noun)
earthwork.
penal institution (noun)
penal colony.
prison (noun)
pen, cage, collar, reform school, lockup, coop, confine, pound, brig, prison, bastille, shackle, jail, bridle, jailhouse, irons, cell, cooler, penal colony, harness, penitentiary, manacle, gaol, stronghold, straight jacket, Alcatraz, oubliette, tether, handcuff, pillory, jug, fence, keep, pinion, dungeon, reformatory, vise, San Quentin.
stockade (noun)
concentration camp.

Other synonyms:

enclosure. Other relevant words:
concentration camp, bulwark, earthwork, dyke, protection, enclosure.

Usage examples for stockade

  1. Well armed, they stole out of the stockade but it proved a useless mission. – Treasure Island by Robert Louis Stevenson
  2. It was a minute before I could get my breath ag'in, and when I did and managed to climb that darned stockade and drop on the other side, thar warn't a soul to be seen! – From Sand Hill to Pine by Bret Harte
  3. Not far off, we beheld tokens that an attack had been made, and sternly resisted by the little garrison of the stockade – Journal of an African Cruiser by Horatio Bridge