Brownian movement advance advancement advancing angular motion ascending ascent axial motion backflowing backing backward motion career climbing course current descending descent downward motion drift driftage ebbing flight flow flux forwardal forwarding furtherance furthering go-ahead headway march mounting oblique motion ongoing onrush onward course passage plunging progress progression progressiveness promotion radial motion random motion reflowing refluence reflux regression retrogression rising rolling rolling on run rush set sideward motion sinking soaring sternway stream subsiding traject trajet travel trend upward motion way