This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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adj. Invigorating or refreshing; strengthening: a bracing tonic.

n. A support; a brace.

n. Braces considered as a group.

v. Present participle of brace.

adj. invigorating or stimulating

n. a brace

n. a form of the military attention stance

adj. Imparting strength or tone; strengthening; invigorating.

n. The act of strengthening, supporting, or propping, with a brace or braces; the state of being braced.

n. Any system of braces; braces, collectively.

n. The act of one that braces, or the state of being braced.

n. In engineering, a system of braces: as, the bracing of a truss.

Having the quality of giving strength or tone; invigorating: as, a bracing air.

n. a structural member used to stiffen a framework

adj. imparting vitality and energy

"Perhaps most bracing is the open struggle its hero wages against his own well-earned cynicism."

invigorating   

strengthening    invigorating    stimulating   

brace   

basing    casing    chasing    debasing    defacing    displacing    effacing    embracing    erasing    facing