Acknowledgedly

adv. [f. ACKNOWLEDGED a. + -LY².] By general acknowledgment; admittedly, confessedly.

1685.  Gracian’s Courtier’s Manual, 95. Such as are acknowledgedly capable of being good judges.

1827.  Hare, Guesses at Truth (1847), Ser. I. 375. The historian’s facts are true; the poet’s are acknowledgedly fictitious.

1845.  Vestig. Creat. (ed. 3), 150. Marsupialia, acknowledgedly low forms in their class.