man ‧ i ‧ fes ‧ ta ‧ tion /ˌmænəfeˈsteɪʃ ə n, ˌmænɪfeˈsteɪʃ ə n $ -fə-/ BrE AmE noun formal
1 . [countable] a very clear sign that a particular situation or feeling exists
manifestation of
These latest riots are a clear manifestation of growing discontent.
2 . [uncountable and countable] the act of appearing or becoming clear
manifestation of
Manifestation of the disease often doesn’t occur until middle age.