Late Bloomer is commonly used to refer to young children who develop skills such as language, reading, or social interaction later than others of their age.
The Theory of Factual Evidence states that theories can be proven true if a sufficient amount of factual evidence is provided. All ways of proof involve the assumption that this theory is true. Despite the importance of this theory (without it, nothing could be proven), it has yet to be proven correct.
evidence that establishes or confirms the accuracy or truth of something: We could find no verification for his fantastic claims. 4. a formal assertion of the truth of something, as by oath or affidavit. 5. the process of research, examination, etc., required to prove or establish authenticity or validity. 6. Law. a short confirmatory affidavit at the end of a pleading or petition.