Source : Webster's Revised Unabridged Dictionary (1913)

Purely \Pure"ly\, adv.
   1. In a pure manner (in any sense of the adjective).

   2. Nicely; prettily. [Archaic] --Halliwell.

Source : WordNet®

purely
     adv : restricted to something; "we talked strictly business" [syn:
            {strictly}]