The Collaborative International Dictionary of English v.0.48:

Affectional \Af*fec"tion*al\, a.
   Of or pertaining to the affections; as, affectional impulses;
   an affectional nature.
   [1913 Webster]

WordNet (r) 3.0 (2006):

affectional
    adj 1: characterized by emotion [syn: affectional,
           affective, emotive]