light-heartedly

adverb
1
in a way that is intended to be fun rather than too serious
بی‌خیالانه, سرخوشانه, شادمانه, با شوخی, با شادی, با خوش‌خلقی
2
in a way that shows somebody is cheerful and not worried
شادمانه, بی‌دغدغه, سرخوشانه, خوشدلانه
She spoke light-heartedly.