Familiar
What it means
Meaning 1
Known well enough to be recognized without effort.
Reach for it when describing a person, place, sound, or subject that prior contact makes recognizable
A familiar melody helped the nervous singer settle into the rehearsal.
Meaning 2
Comfortably informal in a way that assumes personal closeness.
Reach for it when describing an easy manner between people who know one another
Their familiar banter made the long setup feel shorter.