Noah Webster
Valor
VAL'OR, noun [Latin valor valeo, to be strong, to be worth.]
Strength of mind in regard to danger; that quality which enables a man to encounter danger with firmness; personal bravery; courage; intrepidity; prowess.
When valor preys on reason, it eats the sword it fights with.
For contemplation he and valor form'd.
Ad valorem, in commerce, according to the value; as an ad valorem duty.