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pleasantly: P. and V. ἡδέως, ἀρεσκόντως (Plato); see also pleasingly.
in a friendly way: P. and V. φιλοφρόνως (Plato).
agreeably to, in accordance with: P. and V. κατά (acc.).
agreeably to the law: P. τοῖς νόμοις ἀκολούθως (Dem. 1100).
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