buttress Synonyms

buttressing strengthener strut substantiate substructure subventionize support sustain sustainer toughen truss underbrace strengthen stiffener reenforce reinforce reinforcement rest restrengthen shore shoring shote stanchion stay stele undergird underlie underpinning flying buttress hold up bolster up prop up shore up guy wire reinforcer retaining wall tone up make stronger arc-boutant jockstrap athletic supporter underpin underprop underset upbear uphold upright vitrify zocle stick by