The word important can have the synonyms crucial, vital, valuable, significant, or substantial.
Luminary and leader are synonyms for very important person. They begin with the letter l.
responsible
Synonyms are important so that you do not keep using the same words over and over again.
majorconsequentialeventfulmomentoussignificantsubstantialweightymeaningfulbigurgentvital
important significant
very happy
Knowing synonyms for words is important because it helps to expand your vocabulary, improve your communication skills, and enhance your writing. Using synonyms can also prevent repetition and make your language more diverse and interesting.
Strong Synonyms: Critical, Mandatory Weak Synonym: Important
Some synonyms of "ok" are:alright, fine, very well, righty-ho
Very, thoroughly, really.
Very well