spontaneously in a sentence

adv.

Definition

In a manner that occurs without premeditation or external prompting; arising naturally.

She spontaneously decided to take a road trip without planning any details.
The children laughed and played spontaneously, filling the park with their joy.
During the meeting, he spontaneously proposed an innovative solution to the problem.
The flowers in the garden bloomed spontaneously after the unexpected rainfall.
They spontaneously broke into song, creating a joyful atmosphere around the campfire.