to persevere; to persist; to keep at it; to hang on; to hold out; to do one's best ; to insist that; to stick to (one's opinion) ; to remain in a place; to stick to one's post; to refuse to budge
slowly; unhurriedly; without haste; leisurely; at one's leisure ; easily (e.g. in time); well; sufficiently; amply; with time to spare ; well (e.g. sleep); comfortably