And the definition has been posted! What are you still waiting for?
Any form accepted by this:
http://en.wikipedia.org/wiki/Scientific_method
Such as:
http://en.wikipedia.org/wiki/Scientific_evidence
"Such evidence is generally expected to be empirical and properly documented in accordance with scientific method such as is applicable to the particular field of inquiry. Standards for evidence may vary according to whether the field of inquiry is among the natural sciences or social sciences.Evidence may involve understanding all steps of a process, or one or a few observations, or observation and statistical analysis of many samples without necessarily understanding the mechanism."
When you are claiming to be waiting for something that has been posted already, that is what we call a "lie".