Assimilator

to take in and incorporate as one’s own; absorb:
he -ssimilated many new experiences on his european trip.
to bring into conformity with the customs, att-tudes, etc., of a group, nation, or the like; adapt or adjust:
to -ssimilate the new immigrants.
physiology. to convert (food) to substances suitable for incorporation into the body and its tissues.
to cause to resemble (usually followed by to or with).
to compare; liken (usually followed by to or with).
phonetics. to modify by .
to be or become absorbed.
to conform or adjust to the customs, att-tudes, etc., of a group, nation, or the like:
the new arrivals -ssimilated easily and quickly.
physiology. (of food) to be converted into the substance of the body; be absorbed into the system.
to bear a resemblance (usually followed by to or with).
phonetics. to become modified by .
something that is -ssimilated.
historical examples

his policy is not the policy of rome the conqueror, but rome the -ssimilator.
the outline of history: being a plain history of life and mankind herbert george wells

we are introduced successively to the palestinian, the -ssimilator, and the neither-here-nor-there.
the history of yiddish literature in the nineteenth century leo wiener

goethe was an -ssimilator and summed up in himself the spirit of a century, the att-tude of predecessors and contemporaries.
laurence sterne in germany harvey waterman thayer

verb
(transitive) to learn (information, a procedure, etc) and understand it thoroughly
(transitive) to absorb (food) and incorporate it into the body tissues
(intransitive) to become absorbed, incorporated, or learned and understood
usually foll by into or with. to bring or come into harmony; adjust or become adjusted: the new immigrants -ssimilated easily
usually foll by to or with. to become or cause to become similar
(usually foll by to) (phonetics) to change (a consonant) or (of a consonant) to be changed into another under the influence of one adjacent to it: (n) often -ssimilates to ŋ before (k), as in “include”
v.

early 15c., from latin -ssimilatus “feigned, pretended, fict-tious,” past participle of -ssimilare “to make like,” from ad- “to” (see ad-) + simulare “make similar,” from similis “like, resembling” (see similar). originally transitive (with to); intransitive use first recorded 1837. related: -ssimilated; -ssimilating.

-ssimilate as·sim·i·late (ə-sĭm’ə-lāt’)
v. as·sim·i·lat·ed, as·sim·i·lat·ing, as·sim·i·lates

to consume and incorporate nutrients into the body after digestion.

to transform food into living tissue by the process of anabolism.