If he had merely bowed acquiescence and departed, it is probable that Lord Belpher would not have taken a second look at him.

Sir Nathaniel bowed acquiescence.

They bowed acquiescence and went away, through thunder and the sudden rattle of rain, and Morgaine, distraught, realized that she had forgotten Nimue.

Hugh Beringar bowed acquiescence.

Although Dr. Li said it was not necessary for him to be outside when the lander arrived, Vosnesensky quoted regulations until the expedition commander reluctantly bowed acquiescence.