1) (of words, ways of speaking or writing) used in situations when one must be particularly polite, impersonal, well-educated, traditional etc to give a good impression (formal)
2) something a person does particularly well (forte)
plainly; definitely
purposely
(used after a word or phrase which is going to be explained) that is; which means
that is
majorly
mainly
in the majority of instances; mainly
generally, mainly
that is to say
that is to say
especially
especially
(especially) exceptionally
infrequently
barely; exclusively
barely; exclusively
that is to say; namely
that is to say