Definition of manifestation noun from the Oxford Advanced Learner's Dictionary
manifestation
noun
ˌmænɪfeˈsteɪʃn ˌmænɪfeˈsteɪʃn
(formal)
1[countable, uncountable]manifestation (of something)an event, action or thing that is a sign that something exists or is happening; the act of appearing as a sign that something exists or is happeningThe riots are a clear manifestation of the people's discontent.Some manifestation of your concern would have been appreciated.2[countable]an appearance of a ghost or spiritThe church is the site of a number of supernatural manifestations.