di·rec·to·ri·al 
(dĭ-rĕk′tôrē-əl, dī-)
(dĭ-rĕk′tôrē-əl, dī-)adj.
1. Of or relating to a director or directorate.
2. Serving to direct; directive.
di·rec′tori·al·ly adv.
- unpretentiously
- unpretentiousness
- unpriced
- unprincipled
- unprintable
- unproductive
- unproductively
- unproductiveness
- unprofessional
- unprofessionalism
- unprofessionally
- unprofitability
- unprofitable
- unprofitableness
- unprofitably
- unpromising
- unpromisingly
- unpronounceable
- unpropitious
- unpropitiously
- unprotected
- unprovided
- unprovidedly
- unprovoked
- unpublishable