nodding

"The student nodded to show she understood the instructions. "

"She was busy typing, only nodding briefly as a greeting when I walked past her desk. "

"The sunflower in the garden was nodding gently in the breeze. "

"The student was so tired that he started nodding off during the long lecture. "

"They nodded their assent."

"The security guard was nodding off at his desk during the late night shift. "

"Jones nods the ball back to his goalkeeper."

"The professor, in nodding to recent research, mentioned the importance of sleep for memory. "

"After taking the painkillers, he started nodding in his chair during the movie. "

"After the teacher finished explaining the math problem, there was a collective nodding from the students who understood it. "

"The gardener pointed out the nodding bellflowers, their purple heads drooping gracefully towards the soil. "