manifestation

noun

1. a clear appearance"a manifestation of great emotion"
2. a manifest indication of the existence or presence or nature of some person or thing"a manifestation of disease"
3. an appearance in bodily form (as of a disembodied spirit)
4. expression without words"tears are an expression of grief"
5. a public display of group feelings (usually of a political nature)"there were violent demonstrations against the war"