staple, cornerstone, stalwart, linchpin, workhorse, focal point, backbone, lynchpin, keystone, centerpiece, powerhouse, flourishing, bane, boon, touchstone, moneymaker, lifeblood, contributor, hallmark, heyday, darling, afterthought, crown jewel, integral, mecca, fixture, forte, pillar, byword, cog, pioneer, venerable, bustling, constants, hotbed, bastion, inroads, vogue, reliant, stepchild, forerunner, saving grace, commonplace, passe, whipping boy, niche, de rigueur, flashpoint, godsend, doyen, achilles heel, standbys, hub, breadbasket, regulars, advent, stronghold, thorn, bulwark, bedrock, icon, juggernaut, fulcrum, humming, resurgence, trendsetter, anachronism, standout, death knell, stale, unsung, forays, enfant terrible, launching pad, watchword, norm, maven, sparkplug, premier, blossoming, adjunct, fodder, haven, anathema, renaissance, buzzword, flagship, throwback, lingua franca, lightning rod, offshoot, holdover, catalyst, forefront, earner, savior, lodestone, dominator, vanguard, dynamo, streakier, groundbreaker, desideratum, mainspring, mainstays, lifeline, touchstones, battleground, foundations, groundwork, prop, foundation, guarantor, imperative, raison, rationale, sponsor, contention, cornerstones, investigational, efficacious, laborintensive, adjunctive, preventative, psychotherapeutic, based, costeffective, curative, remedial, therapeutic, augmentative, busting, intensive, interventive, lifesaving, lowering, preferred, preventive, unapproved

admirer, booster, champion, forestay, friend, protagonist, support, supporter

anchor, backbone, linchpin, lynchpin, pillar