safeguard β something that serves as a protection or defense or that ensures safety.
secure β free from or not exposed to danger or harm; safe.
shield β a broad piece of armor, varying widely in form and size, carried apart from the body, usually on the left arm, as a defense against swords, lances, arrows, etc.
uphold β to support or defend, as against opposition or criticism: He fought the duel to uphold his family's honor.
avert β If you avert something unpleasant, you prevent it from happening.
battle β A battle is a violent fight between groups of people, especially one between military forces during a war.
bulwark β A bulwark against something protects you against it. A bulwark of something protects it.
cherish β If you cherish something such as a hope or a pleasant memory, you keep it in your mind for a long period of time.
conserve β If you conserve a supply of something, you use it carefully so that it lasts for a long time.
cover β If you cover something, you place something else over it in order to protect it, hide it, or close it.
entrench β Establish (an attitude, habit, or belief) so firmly that change is very difficult or unlikely.
espouse β Adopt or support (a cause, belief, or way of life).
fortify β to protect or strengthen against attack; surround or provide with defensive military works.
foster β to promote the growth or development of; further; encourage: to foster new ideas.
garrison β William Lloyd, 1805β79, U.S. leader in the abolition movement.
hedge β a row of bushes or small trees planted close together, especially when forming a fence or boundary; hedgerow: small fields separated by hedges.
house β a building in which people live; residence for human beings.
mine β an excavation made in the earth for the purpose of extracting ores, coal, precious stones, etc.
nourish β to sustain with food or nutriment; supply with what is necessary for life, health, and growth.
save β to rescue from danger or possible harm, injury, or loss: to save someone from drowning.
screen β a movable or fixed device, usually consisting of a covered frame, that provides shelter, serves as a partition, etc.
shelter β something beneath, behind, or within which a person, animal, or thing is protected from storms, missiles, adverse conditions, etc.; refuge.
sustain β to support, hold, or bear up from below; bear the weight of, as a structure.
war β a conflict carried on by force of arms, as between nations or between parties within a nation; warfare, as by land, sea, or air.
watch β to be alertly on the lookout, look attentively, or observe, as to see what comes, is done, or happens: to watch while an experiment is performed.
withstand β to stand or hold out against; resist or oppose, especially successfully: to withstand rust; to withstand the invaders; to withstand temptation.
look after β to turn one's eyes toward something or in some direction in order to see: He looked toward the western horizon and saw the returning planes.
panoply β a wide-ranging and impressive array or display: the dazzling panoply of the maharaja's procession; the panoply of European history.
stave off β one of the thin, narrow, shaped pieces of wood that form the sides of a cask, tub, or similar vessel.
ward off β a division or district of a city or town, as for administrative or political purposes.
watch over β to be alertly on the lookout, look attentively, or observe, as to see what comes, is done, or happens: to watch while an experiment is performed.
brace β If you brace yourself for something unpleasant or difficult, you prepare yourself for it.
build up β If you build up something or if it builds up, it gradually becomes bigger, for example because more is added to it.
buttress β Buttresses are supports, usually made of stone or brick, that support a wall.
consolidate β If you consolidate something that you have, for example power or success, you strengthen it so that it becomes more effective or secure.