They laughed together joyfully.
Meaning: This means the girl and the doll had fun together and enjoyed each other's company.
Choice of Words: Laughed means to make a sound expressing amusement or happiness. Joyfully means in a happy and cheerful manner. When you put them together, "Laughed together joyfully" means that the girl and the doll shared moments of happiness and laughter.
Alternative Expressions
Related Expressions