_vitae societas_[1]—social life.
_facilitas, faciles mores_ (De Am. 3. 11)—a sociable, affable
disposition.
_societatem inire, facere cum aliquo_—to associate with some one.
_dissipatos homines in (ad) societatem vitae convocare_ (Tusc. 1. 25.
62)—to unite isolated individuals into a society.
_socium se adiungere alicui_—to attach oneself to a person's society.
_aliquem socium admittere_—to admit a person into one's society.
_assiduum esse cum aliquo_—to be always in some one's company.
_uti aliquo (familiariter)_—to be on intimate terms with some one.
_alicuius familiaritate uti_—to be on intimate terms with some one.
_usu, familiaritate, consuetudine coniunctum esse cum aliquo_—to be on
friendly terms with a person.
_est mihi consuetudo_, or _usus cum aliquo_—to be on friendly terms
with a person.
_vivere cum aliquo_—to be on friendly terms with a person.
_vetus usus inter nos intercedit_—we have known each other well for
several years.
_devincire aliquem consuetudine_—to attach a person to oneself.
_se dare in consuetudinem alicuius_—to devote oneself to a person's
society.
_se insinuare in consuetudinem alicuius_ (Fam. 4. 13. 6)—to insinuate
oneself into a person's society.
_summa necessitudine aliquem contingere_—to stand in very intimate
relations to some one.
_in simultate cum aliquo sum_—relations are strained between us.
_hominum coetus, congressus fugere_—to shun society.
_in solitudine vivere_ (Fin. 3. 20. 65)—to live in solitude.
_secum vivere_—to live to oneself.
_vitam solitariam agere_—to live a lonely life.
[1] The adj. _socialis_ in the sense of "sociable" only occurs in late
Latin, e.g. _homo sociale animal_ (Sen.)