A group of people; a condition or quality.
[Old English -hād, originally an independent noun meaning ‘person, condition, quality’.]
Examples in which the sense is of a group include brotherhood, sisterhood, and priesthood. In neighbourhood, it now has a weaker sense of an area of a town rather than the group of one's neighbours. The more common usage is of a condition or quality, as in childhood, adulthood, motherhood, falsehood, likelihood, and livelihood. See also -head.