late 14c., "in a distinct manner, not confusedly or obscurely," from distinct + -ly (2). Hence, "without a doubt, obviously" (1858).
[D]istinctly, in the sense really quite, is the badge of the superior person indulgently recognizing unexpected merit in something that we are to understand is not quite worthy of his notice. [Fowler]
it's distinctly possible
the subtleties of this distinctly British occasion
urbanization in Spain is distinctly correlated with a fall in reproductive rate
distiller
distillery
distinct
distinction
distinctive
distinctly
distingue
distinguish
distinguishable
distinguished
distort