With the word "and" what do we call all of these related verbs? Example: On one day she gasped, leaned forward, swallowed, and next turned.

a series?

Thank you, it was on the tip of my tongue and I just couldn't remember.

You're welcome. :-)

In this sentence, the words "gasped," "leaned forward," "swallowed," and "turned" are all related verbs. When multiple verbs are connected with the conjunction "and" in a sentence, they are referred to as a series of actions or a list of verbs. This construction helps to convey a sequence of events or actions performed by the subject of the sentence.