Simple Definition:
Manifest means to show or demonstrate something clearly. It is used to describe when something is made known or obvious. For example, if someone is feeling ill and is showing symptoms of a cold, that person is manifesting their sickness. Similarly, if a company displays a strong commitment to sustainability in their actions, they are manifesting the fact that they prioritize environmental responsibility.
Very Simple Definition:
Manifest means to clearly show or make something obvious. For example, if you are very happy and you start jumping up and down with a big smile on your face, you are manifesting your happiness.