adj.
  - resolute.
 - having a strong purpose:
 purposeful activities.
 
 
  Derivative
  
    - purposefully adv.
  - purposefulness n.
 
   
  Usage
  The adverbs purposefully, purposely, and purposively have different meanings. Purposely means ‘on purpose, deliberately’, while purposefully means ‘resolutely’ or ‘with a strong purpose’, as in he strode purposefully through the courtyard. The uncommon word purposively means ‘with a particular purpose’.