This is the 434th most frequent Catalan word.
familiar
Relating to family or well-known.
Here, 'familiar' is used to describe the intimate and close nature of the event, implying a warm and friendly atmosphere.
La festa va ser molt familiar, només hi havia persones properes.
The party was very familiar, only close people were present.
In this sentence, 'familiar' means something that is recognized or known from prior experience.
Aquest llenguatge em sembla familiar perquè l'he estudiat abans.
This language seems familiar to me because I have studied it before.
Here, 'familiar' refers to something related to one's family, indicating obligations or ties to family members.