COALESCE

to fuse, to unite

/mix together different elements

fuse or cause to grow together

SYN - blend, combine, commingle, conflate, flux, meld, merge

"He had hoped that by the end of the meeting he would be able to coalesce the two groups into one supergroup."

"The greatest fear was that these two liquids would someone coalesce and their indivual natures would never be able to be discovered."

"After placing each substance on a different end of the petri dish, Colin watched as the affinity between the two caused them to coalesce in the center of the dish."