Pulsatile is an adjective used to describe anything that pulses or beats rhythmically. Synonyms for pulsatile include throbbing, beating, pulsing, tapping, drumming, thumping, and rhythmic. These words are commonly used to describe things like a pulsating heartbeat, pulsating music or pulsating light. Throbbing is often used to describe a painful pulsating sensation, while pulsing and tapping are more commonly used to describe rhythmic movements or sounds. Drumming and thumping are often used to describe more intense or forceful pulsating movements or sounds. Ultimately, the choice of synonym depends on the context and the intended meaning of the writer or speaker.