butlerlike
/ˈbʌtlərlaɪk/Definitions
1. adjective
resembling or characteristic of a butler, typically being polite, efficient, and unobtrusive.
“The butlerlike manner in which he served the guests impressed everyone.”
2. noun
A person or thing that is butlerlike in nature or behavior.
“The butlerlike efficiency of the hotel staff made our stay pleasant.”