What part of speech is systematic?

"Systematic" can be several parts of speech, depending on how it's used in a sentence:

* Adjective: Describing something that is done or organized according to a fixed plan or system.

* Example: "He followed a systematic approach to solving the problem."

* Adverb: Describing how something is done or organized.

* Example: "She systematically reviewed all the data."

* Noun: Referring to a system or method.

* Example: "The teacher explained the systematic of grading assignments."

Let me know if you have a specific sentence in mind, and I can tell you what part of speech it is in that context!