Indication (noun)

1. A sign or piece of information that shows something.
2. A sign of the existence or presence of something.

Origin:

Late 16th century (as an adjective in the sense "serving as a sign"): from french, or from latin indicatio(n-), from indicare "point out".

Examples:

1. There was no indication of any serious damage.
2. The high temperature is an indication of a fever.
3. The change in her behavior was an indication of her discomfort.
4. The survey results were a clear indication of public opinion.
5. There were no indications of foul play in his death.