An example of to summarize is to explain what happened in a movie.
transitive verb-·rized·, -·riz·ing
- to make a summary of; state briefly
- to be a summary of
intr. & tr.v.sum·ma·rized, sum·ma·riz·ing, sum·ma·riz·es
(third-person singular simple present summarizes, present participle summarizing, simple past and past participle summarized)
From English summary + -ize.