'Sentimentally' definitions:

Definition of 'sentimentally'

(from WordNet)
adverb
In a sentimental manner; "`I miss the good old days,' she added sentimentally" [ant: unsentimentally]

Definition of 'Sentimentally'

From: GCIDE
  • Sentimentally \Sen`ti*men"tal*ly\, adv. In a sentimental manner. [1913 Webster]