Subtly
Pronunciation : Sub"tly
Part of Speech : adv.
Definition : Defn: In a subtle manner; slyly; artfully; cunningly. Thou seest how subtly to detain thee I devise. Milton.
2. Nicely; delicately. In the nice bee what sense so subtly true. Pope. Subtly communicating itself to my sensibilities, but evading the analysis of my mind. Hawthorne.
3. Deceitfully; delusively. [Obs.] Shak.
Source : Webster's Unabridged Dictionary, 1913