What is the word for cheerful and lively shining strongly?

There isn't one single perfect word that captures both "cheerful and lively" and "shining strongly." However, here are some options depending on the specific nuance you want to convey:

For cheerful and lively:

* Radiant: This implies a bright, glowing energy, often associated with happiness.

* Effervescent: This describes a bubbly, lively quality, like sparkling wine.

* Exuberant: This implies a joyful, energetic, and overflowing quality.

* Vivacious: This describes a lively, spirited, and animated personality.

For shining strongly:

* Brilliant: This describes something exceptionally bright and impressive.

* Luminous: This emphasizes the light and glow emitted by something.

* Resplendent: This describes something shining brightly and magnificently.

* Glimmering: This suggests a soft, sparkling light.

Combining the two:

* Beaming: This suggests both a bright smile and a glowing appearance.

* Sparking: This implies a lively, energetic, and shining quality.

* Incandescent: This describes something glowing brightly with intense heat and light.

Ultimately, the best word will depend on the specific context and the image you want to evoke.