The phrase "acting spontaneously" is correct and usable in written English.
It can be used to describe someone who is behaving in an impulsive or unplanned manner, often without prior thought or consideration.
Example: "She surprised everyone by acting spontaneously and deciding to take a last-minute trip to the beach."
Alternatives: "acting on impulse" or "behaving impulsively".
The friendship analogy suggests, then, that acting spontaneously on first-order natural inclinations is not always necessary for an act to count as an act of gratitude.
The mature Edison, post-fame, is most appealing whenever he returned to acting spontaneously, without weighing what action would serve to enhance his public image.
Union officials say that workers have been acting spontaneously, and Mr. Amstutz acknowledged that union officials on the scene in Grenoble were actively working to keep workers in check.
This break with anthropocentrism went along with a shift away from humanistic values like rightness (yi 義) or ritual propriety (li 禮) and toward concerns with maintaining life, reducing desires, and acting spontaneously.
Local activists, often acting spontaneously with guidance from Indivisible and other organizations, have already used numerous town hall meetings to grill Republican members over their plans to repeal Obamacare and demand details of a replacement for the landmark law.
The concept of wu wei is multifaceted, and reflected in the words' multiple meanings, even in English translation; it can mean "not doing anything", "not forcing", "not acting" in the theatrical sense, "creating nothingness", "acting spontaneously", and "flowing with the moment".
It is important to emphasize that the school shooters do not act spontaneously, but rather plan their actions carefully in a long developmental process from idea to plan and to acting on that plan [ 22, 33].
Do not act spontaneously.
Instead, act spontaneously.
Referring to what he called a "ground-rattling" outpouring of support, he said the viewers' efforts "should remind us of the power of individuals spontaneously acting together to correct injustices great or small".
They had to monitor and restrict what they were ingesting, and when, and this vigilance could severely dent their sense of acting freely or spontaneously.
