manifestation

(noun) a clear appearance. Example: "A manifestation of great emotion."

(noun) a manifest indication of the existence or presence or nature of some person or thing. Example: "A manifestation of disease."

(noun) an appearance in bodily form (as of a disembodied spirit). Synonyms: materialization, materialisation.

(noun) expression without words. Synonyms: expression, reflection, reflexion. Examples: "Tears are an expression of grief." "The pulse is a reflection of the heart's condition."

(noun) a public display of group feelings (usually of a political nature). Synonyms: demonstration. Example: "There were violent demonstrations against the war."