subtly

Adverb

sub=tly

WORDNET DICTIONARY

subtly(r = adv.all) - in a subtle manner; "late nineteenth-century French opera at its most beautiful, subtly romantic with a twilight melancholy"

subtly, adv.

In a subtle manner; slyly; artfully; cunningly. [1913 Webster]
"Thou seest how subtly to detain thee I devise." [1913 Webster]
Nicely; delicately. [1913 Webster]
"In the nice bee what sense so subtly true." [1913 Webster]

"Subtly communicating itself to my sensibilities, but evading the analysis of my mind." [1913 Webster]
Deceitfully; delusively. Shak. [1913 Webster]