I think there is a major difference between "settling" and "finding flow."
Flow changes direction, but does so in a steady way. "Shift" almost sounded too stilted, like 'making something happen.' Groove sometimes feels like it can imply a sense of comfort, which is good in the right amount. Comfort, without complacency. Flow.
No wonder there is thing called "the flow arts."
Motion, groove, direction change with a sense of steadiness.
Being able to find balanced footing on the deck of the ship, no matter how the tides turn or the ship is chosen to turn.