Peaceful, calm, and tranquil
A modern phonetic spelling of the English word 'serenity', which derives from the Latin 'serenus'. It represents a state of being calm, peaceful, and untroubled. This specific spelling variation adds a contemporary, decorative flair to the traditional virtue name.
Less common today
Serenitee isn't in the latest US Top 1000. It last peaked at #4,410 in 2013.
US births per 5-year period, 1990βpresent (SSA data).