Weightily

adv. [f. WEIGHTY + -LY².] In a weighty manner; with or as with weight. Usually fig.

1552.  Huloet, Weyghtelye, pensiculate.

1572.  Bossewell, Armorie, II. 25 b. It is very needefull … diligently to see, and weightely to consider the cote armors, which are put to them to bee paynted.

a. 1637.  B. Jonson, Discov., Wks. 1640, II. 101. No man ever spake more neatly, more presly, more weightily.

1667.  H. More, Div. Dial., II. xiv. (1668), 257. How few … do seriously spend their studies in any thing weightily Moral or Intellectual?

1725.  Broome, Pope’s Odyss., Notes VII. 379. II. 170. He makes his agents speak weightily and sententiously.

1856.  Froude, Hist. Eng., II. 409. Abuses, which … told most weightily on the serious judgment of the age.

1868.  E. Edwards, Ralegh, I. xix. 410. There was some division of opinion upon the bench on the question thus weightily opened.