adv. (UN-1 11, 5 b. Cf. prec.)

1

1733.  W. Crawford, Infidelity (1836), 217. Some may allege, and not unplausibly, that [etc.].

2

1795.  Burke, Regic. Peace, iv. Wks. IX. 56. Men would reason not unplausibly, that it would be better [etc.].

3

1820.  Coleridge, Lit. Rem. (1839), IV. 138. Others, again, and not unplausibly, contend [etc.].

4

1862.  M. Hopkins, Hawaii, 85. Cook’s two ships … appeared to them, not unplausibly, islands, the masts being trees.

5