うれしそうに (translations)→ agreeably cheerful contentedly expectantly fondly gaily gladly gratefully heartily
にこやかに (translations)→ affably amiably brightly friendly indulgently kindly lovingly nicely personable pleasantly richly smiling
愛想よく (translations)→ aggreeable charmingly cheerfully cheerily genially gregariously hearty hospitably obligingly politely sociably suavely winningly