la ruborizar - to embarrass, to cause someone to blushSpanish example: La conversación era agradable, a veces la mujer sonreía y se ruborizaba.
English example: The conversation was agreeable, and at times the woman would smile and turn red,
Source: la ruborizar - to embarrass, to cause someone to blush (https://www.123teachme.com/spanish_feeds/word_of_the_day/2021/9/2)