Embellir belong to the 2nd
group. Embellir is a common french verb.
Embellir is conjugated the same way that verbs that end in : -ir
Embellir is conjugated with the two auxiliaries être
Embellir verb is
direct transitive, intransitive.
French verb embellir can be conjugated in the reflexive form: S'embellir
verb is a direct transitive verb, so passive voice can be used.
Attention: passive voice can only be used when embellir verb is conjugated with auxiliary avoir.