formally

having been taught a particular skill through a formal process

having received education at a school, college, or university

arranged or structured in a formal or official way

having an official duty or obligation to do something

officially or clearly separate and different

to make a formal public declaration about a fact, occurrence, or intention

to officially agree to or accept as satisfactory

to announce something solemnly or officially

to acknowledge the existence, validity, or legality of something

to express something definitely or clearly in speech or writing

to officially give up one's job or position

to announce officially or publicly

to declare one's public approval or support of

to make a formal expression of regret for an offense or fault