IN STEP

{adv.} or {adj. phr.} 1. With the left or right foot stepping at the same time as another's or to the beat of music; in matching strides with another person or persons. * /The long line of soldiers marched all in step: Left, right! Left, right!/ * /Johnny marched behind the band in step to the music./ 2. In agreement; abreast. - Often followed by "with". * /Mary wanted to stay in step with her friends and have a doll too./ Contrast: OUT OF STEP.