to accept (e.g. an explanation); to be satisfied (with); to assent (to)
ups and downs; bobbing up and down; rising and falling; ebbing and flowing
you could say; you might say; verging on the
to become familiar with; to get used to; to become accustomed to; to come to fit; to go (well) with; to suit
return journey; one's way home; one's way back
beginning and end; doing something from beginning to end; being unchanged from beginning to end; from beginning to end; the whole time
to walk; to go on foot; to tread (a figurative path); to follow; to advance towards (e.g. a solution); to set out (e.g. on the path to destruction, ruin, etc.)
several weeks; a few weeks
root; source; origin; foundation; basis; essence