Sociable

google

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mid 16th century: from French, or from Latin sociabilis, from sociare ‘unite’, from socius ‘companion’.

wiktionary

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From Middle French sociable, from Latin sociabilis.

etymonline

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sociable (adj.)

1550s, "enjoying the company of others," from French sociable (16c.) and directly from Latin sociabilis "close, intimate, easily united," from sociare "to join, unite," from socius "companion, ally," from PIE *sokw-yo-, suffixed form of root *sekw- (1) "to follow."