Strengthener

n.

1.

One who, or that which, gives or adds strength.

Noun

1.

strengthener - a device designed to provide additional strength; "the cardboard backing was just a strengthener"; "he used gummed reinforcements to hold the page in his notebook" Synonyms: reinforcement

advocate, alpenstock, arm, athletic supporter, back, backbone, backing, bandeau, bearer, bra, brace, bracer, bracket, brassiere, buttress, cane, carrier, cervix, corset, crook, crutch, foundation garment, fulcrum, girdle, guy, guywire, jock, jockstrap, mainstay, maintainer, mast, neck, prop, reinforce, reinforcement, reinforcer, rest, resting place, rigging, shoulder, shroud, spine, sprit, staff, standing rigging, stave, stay, stick, stiffener, support, supporter, sustainer, upholder, walking stick