@Assurbanipal_II https://www.merriam-webster.com/dictionary/rather#:~:text=1,more readily or willingly : preferably
@Reinaislost rather 1. quite; to a slight degree: 2. more accurately; more exactly: 3. used to… dictionary.cambridge.org
'Rather' is used as an intensifier here, meaning it works to emphasize. But I feel 'rather' has an overreaching undertone. Mostly in lines of 'expectancy' or 'in comparison.' "I did rather well." => He expected worse. "I've got rather a lot of work to do."