When looking for antonyms for the word "more disheartening," one could consider words such as inspiring, uplifting, reassuring, heartening, encouraging, or even comforting. These words all suggest feelings of hope, positivity, or renewal, which stand in contrast to the bleakness and despondency suggested by "disheartening." Such antonyms may be especially useful when seeking to counteract negative emotions or to create a sense of motivation or purpose in oneself or others. Ultimately, the right antonym for "more disheartening" will depend on context and personal preference, but any word that signals a shift toward more positive emotions can help to lighten the mood and foster feelings of hope and resilience.