Growing together, fusing.

synoniem: coalescent.

Roget 13: identical; self, ilk; the same etc. n.. selfsame, one and the same, homoousian^†.    coincide, coalescent, coalescing; indistinguishable; one; equivalent etc. (equal) 27; tweedle dee and tweedle dum [Lat.]; much the same, of a muchness^†; unaltered.    ... meer laten zien