根本的

(1) 基礎または基盤に関連する、あるいは基礎または基盤となる(pertaining to or constituting a base or basis; "a basic fact"; "the basic ingredients"; "basic changes in public opinion occur because of changes in priorities")(pertaining to or constituting a base or basis)

⇒世論の基本的な変化は優先事項の変化のため起こる(pertaining to or constituting a base or basis)

(2) 特に何かの本質における影響において遠くまでおよび、徹底的である(far-reaching and thoroughgoing in effect especially on the nature of something; "the fundamental revolution in human values that has occurred"; "the book underwent fundamental changes"; "committed the fundamental error of confusing spending with extravagance"; "profound social changes")(far-reaching and thoroughgoing in effect especially on the nature of something)

⇒深遠な社会の変化(far-reaching and thoroughgoing in effect especially on the nature of something)

(3) 基本的な事実、原則である、またはそれに関わるさま(being or involving basic facts or principles; "the fundamental laws of the universe"; "a fundamental incomatibility between them"; "these rudimentary truths"; "underlying principles")(being or involving basic facts or principles)

⇒基本的な原則(being or involving basic facts or principles)

(4) (basic and fundamental; "the essential feature")(basic and fundamental)

⇒本質的特徴(basic and fundamental)

(5) 不可欠な要素として働く(serving as an essential component; "a cardinal rule"; "the central cause of the problem"; "an example that was fundamental to the argument"; "computers are fundamental to modern industrial structure")(serving as an essential component)

⇒ンピュータは近代的な産業構造の基礎である(serving as an essential component)