<p><strong>Verb (used with object)</strong></p><ul><li>to take in and incorporate as one's own; absorb: He assimilated many new experiences on his European trip.</li><li>to bring into conformity with the customs, attitudes, etc., of a dominant social group, nation, or the like; adapt or adjust: to assimilate the new immigrants.</li><li>Physiology: to convert (food) to substances suitable for incorporation into the body and its tissues.</li><li>to cause to resemble (usually followed by to or with).</li><li>to compare; liken (usually followed by to or with).</li><li>Phonetics: to modify by assimilation.</li></ul><p><strong>Verb (used without object)</strong></p><ul><li>to be or become absorbed.</li><li>to conform or adjust to the customs, attitudes, etc., of a dominant social group, nation, or the like: The new arrivals assimilated easily and quickly.</li><li>Physiology: (of food) to be converted into the substance of the body; be absorbed into the system.</li><li>to bear a resemblance (usually followed by to or with).</li><li>Phonetics: to become modified by assimilation.</li></ul><p><strong>Noun</strong></p><ul><li>something that is assimilated.</li></ul>