12-Letter Words Containing: O,I,S,E,R

• a drug (trade names Atarax and Vistaril) used as a tranquilizer to treat anxiety and motion sickness

• manage in a makeshift way; do with whatever is at hand

• perform without preparation

• to enlarge beyond bounds or the truth

• operating in unison

• an instrument that indicates whether two periodic motions are synchronous (especially an instrument that enables a pilot to synchronize the propellers of a plane that has two or more engines)

• make synchronous and adjust in time or manner

• happen at the same time

• make (motion picture sound) exactly simultaneous with the action

• arrange or represent events so that they co-occur

• operate simultaneously

• cause to indicate the same time or rate