Eccentric (adjective)
Definition: tending to act in strange or unusual ways
Source: http://www.merriam-webster.com/dictionary/eccentric
Found in: “The Cottagette” by Charlotte Perkins Gilman
Quote: “The working basis of the establishment was an eccentric woman named Caswell, a sort of musical enthusiast…”
Although the context in which the word is used doesn’t give too much information into the definition, now that i know the meaning of eccentric, i know that the woman named Caswell was an unconventional woman.