The greatest thing about knocking on strangers' doors is the reaffirmation of neighborliness.
"Class and wealth, rather than religion or ethnicity, were the determinants of neighborliness," King writes.
1550s, from neighbor (n.) + -ly (1). Earlier as an adverb (1520s), while an earlier adjective form was neighborlike (late 15c.). Related: Neighborliness, which ousted earlier neighborship (mid-15c.).