なくてはならない (translations)→ important indispensable
気の利いた (translations)→ appropriate bright clever fancy graceful hip judicious light smart stylish
決定的な (translations)→ decided fateful final finally inevitable
根本 (translations)→ fundamentally fundamentals primordial substratum
最低限の (translations)→ basic rudimentary
自然 (translations)→ inevitably natural naturally nature
重要 (translations)→ critical key material prime star
重要な (translations)→ above-the-fold big-ticket constitutive importance main matter pertinent seminal substantive topline
必要 (translations)→ desirable justification need preference purpose reason require take use
必要な (translations)→ beholden necessary needful
必要不可欠な (translations)→ requisite
要点 (translations)→ essence gist point takeaway
絶対 (translations)→ absolute inflexible really the Unknowable