genuineness

"I hereby certify the authenticity of this copy."

"Pat is definitely a she."

"My sorry for being late to school this morning was not accepted by the teacher. "

"My sister brought several books to the library, and that one is about dinosaurs. "

"The being in the classroom was quiet today. "

"The teacher convinced the students that the Earth revolves around the sun, using diagrams and explanations. "

"The antique chair was a genuine Victorian piece, made from the original wood. "

"It looks weaker and weaker, the more I think about it."

"Quality of life is usually determined by health, education, and income."

"My teacher truly appreciated my thoughtful answer to the question. "

"The CEO made a public apology for the scandal, and promised full cooperation with the authorities."

"I think this bird is a him, but it may be a her."