agree associate associate with assort with attend band together be in phase be in time chaperon chaperone chord coexist coextend coincide combine companion concertize concur confederate consociate consort with contemporize convoy couple with do escort execute flock together go along with go with hang around with herd together interpret isochronize keep company with keep in step keep pace with make music match perform play play by ear render run with squire symphonize synchronize time usher wait on