alignto bring into a line or alignment; straighten; to join with others in a cause: They align themselves with the environmental movement.Not to be confused with:A-line ? a style of dress or other garment consisting of A-shaped panels that give increasing fullness toward the hemline: an A-line skirtAbused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embreea·lign (?-l?n?)v. a·ligned, a·lign·ing, a·ligns v.tr.1. To arrange in a line or so as to be parallel: align the tops of a row of pictures; aligned the car with the curb.2. To adjust (parts of a mechanism, for example) to produce a proper relationship or orientation: aligning the wheels of a truck.3. To ally (oneself, for example) with one side of an argument or cause: aligned themselves with the free traders.v.intr.1. To adhere to a prescribed course of action. 2. To move or be adjusted into proper relationship or orientation.[French aligner, from Old French : a-, to (from Latin ad-; see ad-) + ligne, line (from Latin l?nea; see line1).]a·lign?er n.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.align (??la?n) vb1. to place or become placed in a line2. to bring (components or parts, such as the wheels of a car) into proper or desirable coordination or relation3. (usually foll by: with) to bring (a person, country, etc) into agreement or cooperation with the policy, etc of another person or group4. (Psychology) (tr) psychol to integrate or harmonize the aims, practices, etc of a group5. (Psychology) (usually foll by with) psychol to identify with or match the behaviour, thoughts, etc of another person[C17: from Old French aligner, from à ligne into line]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014a?lign (??la?n) v.t. 1. to arrange in a straight line; adjust according to a line. 2. to bring into a line or alignment. 3. to bring into agreement with a particular group, cause, etc.: He aligned himself with the liberals in the Senate. 4. to adjust (circuit components) to improve response over a frequency band. v.i. 5. to come into line; be in line. 6. to join with others in a cause. [1685?95;