1. [Obs.] A familiar appellation of civility, equivalent to "My friend", "Good sir", "Mister;" -- sometimes used ironically.
2. [Archaic] A husband; the master of a house or family; -- often used in speaking familiarly.
Note: In the early colonial records of New England, the term goodman is frequently used as a title of designation, sometimes in a respectful manner, to denote a person whose first name was not known, or when it was not desired to use that name; in this use it was nearly equivalent to Mr. This use was doubtless brought with the first settlers from England.
FIRST CLOWN: It must be se offendendo, it cannot be else. For here lies the point: if I drown myself wittingly, it argues an act: and an act hath three branches. It is to act, to do, and to perform: argal, she drowned herself wittingly.
SECOND CLOWN: Nay, but hear you, goodman delver,—
FIRST CLOWN: Give me leave. [...]
William Shakespeare. Hamlet
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"Upon my honor, this little goodman is very fractious. It's really too droll. You shall speak or we will make you jump under our swords like a spaniel."
Charles Paul de Kock. The Barber of Paris
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The goodman thought she must be ill, and came to see her.