This is the 2186th most frequent Korean word.
정당
"정당" means "political party" in English.
In this sentence, '정당' is used to mean 'political party', representing an organized group participating in the political process.
정당은 민주주의의 중요한 요소입니다.
Political parties are important elements of democracy.
Here, '정당' forms part of '정당한', meaning 'legitimate or justifiable', referring to something reasonable or right.
그녀는 정당한 이유 없이 결석했습니다.
She was absent without a legitimate reason.
In this context, '정당하게' is an adverb meaning 'justifiably or rightfully', specifying the manner in which the actions were understood.