Faith
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
1.
Confidence; credit; reliance. Thus, an act may be said to be done "on the faith" of certain representations.
2.
Belief; credence; trust. Thus, the constitution provides that "full faith and credit" shall be given to the judgments of each state in the courts of the others.
3.
Purpose; intent; sincerity; state of knowledge or design. This is the meaning of the word in the phrases "good faith" and "bad faith." In Scotch law. A solemn pledge; an oath. "To make faith" is to swear, with the right hand uplifted, that one will declare the truth.
1 Forb. Inst pt. 4, p. 235.