—vb (usually foll by into or with) (usually foll by to or with)
1.
(tr) to learn (information, a procedure, etc) and understand it thoroughly
2.
(tr) to absorb (food) and incorporate it into the body tissues
3.
(intr) to become absorbed, incorporated, or learned and understood
4.
to bring or come into harmony; adjust or become adjusted: the new immigrants assimilated easily
5.
to become or cause to become similar
6.
(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 assimilates to before (k), as in ``include''
[C15: from Latin assimilāre to make one thing like another, from similis like, similar]