household, familiar group
If something is familiar to you, you are aware of it or know about it.
relating to or having the characteristics of a family; as, children of the same familial background; familial aggregation.
The state of being familiar; intimate and frequent converse, or association; unconstrained intercourse; freedom from ceremony and constraint; intimacy; as, to live in remarkable familiarity.
To make familiar or intimate; to habituate; to accustom; to make well known by practice or converse; as, to familiarize one's self with scenes of distress; we familiarized ourselves with the new surroundings.
In a familiar manner.
The collective body of persons who live in one house, and under one head or manager; a household, including parents, children, and servants, and, as the case may be, lodgers or boarders.
not being aware of or knowing about
condition of not being aware of or knowing about
Differentiated vocabulary for your students is just a click away.