GREGARIOUSLY
gregariously, sociably
(adverb) in a gregarious manner
Source: WordNet® 3.1
Etymology
Adverb
gregariously (comparative more gregariously, superlative most gregariously)
In a gregarious manner
Source: Wiktionary
GREGARIOUS
Gre*ga"ri*ous, a. Etym: [L. gregarius, fr. grex, gregis, herd; cf.
Gr. jar to approach. Cf. Congregate, Egregious.]
Definition: Habitually living or moving in flocks or herds; tending to
flock or herd together; not habitually solitary or living alone.
Burke.
No birds of prey are gregarious. Ray.
– Gre*ga"ri*ous*ly, adv.
– Gre-ga'ri-ous-ness, n.
Source: Webster’s Unabridged Dictionary 1913 Edition