We must be vocal, assertive, and capable of gregariously participating in social life.
He was gregariously shaking hands and chatting with the visitors.
One point about bamboo is that some species flower gregariously.
As female fecundity is generally proportional to the size of the bloodmeal, there will be a selection pressure to feed gregariously.
There may be a dozen or more feeding somewhat gregariously.
In most cases, the larvae live gregariously within the mine.
Plants which flower en masse (gregariously) before dying are known as plietesials.
Young larvae feed gregariously on the under surface of a banana leaf along the side of the midrib.