unquestionable

"A ticket admits one into a playhouse."

"I hope we can begin immediately."

"Pat is definitely a she."

"The answer to the math problem was obvious; everyone in the class knew it immediately. "

"Some believe that there is undeniable evidence of UFOs."

"academic / artistic / emotional / intellectual honesty"

"Please push the door to."

"The intricate making of the model airplane showcased the student's skill. "

"The antique scale was so sensitive that it could measure the weight difference between two samples that differed by just one s. "

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

"He is a student of life."

"My math homework had a mistake; I added the numbers incorrectly. "