deferential

"The student listened attentively to the teacher's instructions. "

"It is of great importance that you act in a respectful manner towards the duke and duchess."

"After a long day of tests, the students were happy to reach the conclusions of their exams. "

"Please listen carefully as I explain.  I like to listen to music."

"To explain a chapter of the Bible."

"The children treated their elders with deference."

"What is your question?"

"Bob says cats are friendlier than dogs, but I disagree."

"Soil infertility is a major problem for farmers."

"The four noble truths summarise the main doctrines of Buddhism."

"Consider that we’ve had three major events and the year has hardly begun."

"My brother privately expressed his concern about the project to our father. "