Beamingly is an adverb that describes a person's smile. It could also be used to describe a person's behavior or attitude when they are happy. If you're looking for a different way to express these feelings, there are a few synonyms to beamingly available. Radiantly can be used to describe someone's smile or attitude when they are overjoyed. Gleefully can be used to describe the same emotion, but it emphasizes a sense of playful excitement. Exuberantly can also be used to describe someone who is beamingly happy, emphasizing a sense of overflowing enthusiasm. Other synonyms for beamingly include joyfully, ecstatically, and euphorically. These words all convey the same sense of happiness, but each one emphasizes different nuances of emotion.