i Register
In some senses, conglobe is marked as archaic, poetic. Watch for register when choosing this word.
verb
To collect (something) into a round mass; to conglobate.
1667, Alexander Pope, “Book IV”, in The Dunciad^(https://en.wikisource.org/wiki/Page:The_Dunciad_-_Alexander_Pope_(1728).djvu/194), page 163
1667, Alexander Pope, “Book IV”, in The Dunciad^(https://en.wikisource.org/wiki/Page:The_Dunciad_-_Alexander_Pope_(1728).djvu/194), page 163: Not closer, orb in orb, conglob’d are seen / The buzzing Bees about their dusky Queen.
1667, John Milton, “Book VII”, in Paradise Lost, Chicago: Donohue & Henneberry, page 239
1667, John Milton, “Book VII”, in Paradise Lost, Chicago: Donohue & Henneberry, page 239: Thither they / Hasted with glad precipitance, up-rolled, / As drops on dust conglobing, from the dry;