Here's why:
* It modifies verbs, adjectives, or other adverbs. For example:
* "He studied hard, and accordingly he got good grades." (modifies the verb "got")
* "The weather was accordingly warm." (modifies the adjective "warm")
* "She walked accordingly quickly." (modifies the adverb "quickly")
* It expresses a consequence or result. It indicates that something happens as a result of something else.
Let me know if you have other words you'd like to know the part of speech for!