COALESCE

blend, flux, mix, conflate, commingle, immix, fuse, coalesce, meld, combine, merge

(verb) mix together different elements; “The colors blend well”

coalesce

(verb) fuse or cause to grow together

Source: WordNet® 3.1

Etymology

Verb

coalesce (third-person singular simple present coalesces, present participle coalescing, simple past and past participle coalesced)

(of separate elements) To join into a single mass or whole.

Synonyms: amalgamate, combine, join, merge, unite, fuse

(of a whole or a unit) To form from different pieces or elements.

(engineering) To bond pieces of metal into a continuous whole by liquefying parts of each piece, bringing the liquids into contact, and allowing the combined liquid to solidify.

Source: Wiktionary

Co`a*lesce", v. i. [imp. & p. p. Coalesced; p. pr. & vb. n. Coalescing.] Etym: [L. coalescere, coalitium; co- + alescere to grow up, incho. fr. 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. Campbell. Certain combinations of ideas that, once coalescing, could not be shaken loose. De Quincey.

Syn.

– See Add.

Source: Webster’s Unabridged Dictionary 1913 Edition