Chiefly
Pronunciation : Chief"ly
Part of Speech : adv.
Definition : 1. In the first place; principally; pre?minently; above; especially. Search through this garden; leave unsearched no nook; But chiefly where those two fair creatures lodge. Milton.
2. For the most part; mostly. Those parts of the kingdom where the . . . estates of the dissenters chiefly lay. Swift.
Source : Webster's Unabridged Dictionary, 1913