reinforce Synonyms

reward encourage fortify strengthen bolster augment reenforce buttress supplement support sustain teach thicken repeat toughened toughening subventionize substantiate restrengthen review sharpen solidify steadying steel stiffen strengthened strengthening toughen tripling ruggedize hold up bolster up prop up shore up trice up reinforced mark up rigidify tone up heat up beef up undergird underpin upbear vitrify bear up rigidification add to back up build up