<p><strong>Verb</strong></p><ul><li><p>(used with object)</p><ul><li>To arrange in a straight line; adjust according to a line.</li><li>Synonyms: straighten</li><li>To bring into a line or alignment.</li><li>To bring into cooperation or agreement with a particular group, party, cause, etc.: He aligned himself with the liberals.</li><li>To adjust (two or more components of an electronic circuit) to improve the response over a frequency band, as to align the tuned circuits of a radio receiver for proper tracking throughout its frequency range, or a television receiver for appropriate wide-band responses.</li></ul></li><li><p>(used without object)</p><ul><li>To fall or come into line; be in line.</li><li>To join with others in a cause.</li></ul></li></ul>