Returning
Part of speech: verb
Definition: To come or go back (to a place or person).
Example sentence: Few and far between are the books you'll cherish, returning to them time and again, to revisit old friends, relive old happiness, and recapture the magic of that first read.
Regressive
Part of speech: adjective
Definition: That tends to return, revert or regressWhose rate decreases as the amount increases