mackly--prophetes.ai

mackly

† ˈmackly, adv. Obs.
  In 5–6 makly.
  [f. mack a. + -ly².]
  Evenly, aptly, easily.

c 1440 Promp. Parv. 322/2 Makly, or esyly, faciliter (P. apte). 1513 Douglas æneis v. xiv. 32 The windis blawis full evin and rycht makly.

Oxford English Dictionary