I. adverb
1.
Synonyms: also 2, additionally, along, as well, furthermore, likewise, more, moreover, too, yet
Idioms: at that
2.
Synonyms: again 4, additionally, also, further, in addition, then
II. preposition
1.
in addition to
besides being tall, he's thin
Synonyms: as well as, beside, beyond, over and above
Idioms: along with, together with
2.
Synonyms: except , aside from, bar, barring, beside, but, excluding, exclusive of, outside of, save
III. adjective
Synonyms: additional , added, beyond, else, farther, further, more, new, other, otherwise