Coalesce
Coalesce , intransitive verb
[Latin coalescere, coalitium; co- + alescere to grow up, incho. from alere to nourish. See Aliment, n.]
1.
To grow together; to unite by growth into one body; as, the parts separated by a wound coalesce.
2.
To unite in one body or product; to combine into one body or community; as, vapors coalesce.
The Jews were incapable of coalescing with other nations.
Certain combinations of ideas that, once coalescing, could not be shaken loose.