Meaning of “align” - Learner’s Dictionary

align

verb uk us /əˈlaɪn/

[ T ] to put things in an exact line or make them parallel

align yourself with sb; be aligned with sb

to support the opinions of a political group, country, etc:

Many voters are not aligned with any party.
alignment noun [ C, U ]

(Definition of “align” from the Cambridge Learner’s Dictionary © Cambridge University Press)