the world > space > relative position > arrangement or fact of being arranged > arrangement in (a) row(s) or line(s > arrange in (a) row(s) or line(s [verb (transitive)] > specific people > take one's place in a line (1)
to fall into ——1553
intransitive. Originally and chiefly Military. To take one's place in (a formation, rank, etc.). Cf. to fall into line at phrases 1k(a).