Synonyms of reinforce

1 Syllable
gird, stress, ceil, prop, steels, steel, boost
2 Syllables
stiffen, pillar, encrust, girded, braced, thickens, augment, tripling, harden, thicken, toughen, girding, reerect, snowball, tripled, strengthen, hardens, crutching, strengthens, buttress, steeled, stiffens, crutched, stroke, sustain, starching, topped, support, candying, incrust, bolsters, bolster, steeling, carry, hype
3 Syllables
bolstered, assisted, incrusting, reimposed, encrusting, fortifying, augmenting, forgather, thickening, calloused, snowballed, enhance, strengthening, increase, panelled, enhanced, reimpose, undergird, wainscotting, incrusted, fortify, thickened, supplement, fortifies, snowballing, enforcing, reimposing, vitrifying, panelling, pillowed, augmented, stiffened, enlarge, enhancing, pillowing, multiply, vitrify, bolstering, stiffening, paneled, restoring, recruiting, strengthened, callouses
4 Syllables
intensifying, interlining, interlined, undergirded, intensifies, indurating, emphasize, inspissated, undergirding, supplementing, indurate, supplemented, intensified, vitalize, intensate, caseharden, underline, activize, energize, vitalized, energized, intensify, interline, indurated
5 Syllables
invigorated, consolidate, invigorate, consolidated, consolidating