(intransitive) To form a line; to fall into line.

(transitive) To adjust or form to a line; to range or form in line; to bring into line.

(transitive) To organize in a consistent, defined way, perhaps in an abstract sense.

(transitive, computing) To store (data) in a way that is consistent with the memory architecture, i.e. by beginning each item at an offset equal to some multiple of the word size.

(intransitive, reflexive) To identify (oneself) with, match, or support the behaviour, thoughts, etc. of another person, organization, or country.

(bioinformatics) To organize a linear arrangement of DNA, RNA or protein sequences which have regions of similarity.