First
Earliest
Synonyms: Earliest, opening, original, basic, primary, elemental, basal, key, central, vital, initial, introductory, fundamental, rudimentary, beginning, underlying, foundation, cardinal, chief, and essential.
Firstly
Synonyms: Before anything else, firstly, without further ado, first and foremost, in the first place, and now.
Novelty
Synonyms: Novelty, first experience, unusual event, new experience, first occurrence, and a turn-up for the books.
Foremost
Synonyms: Foremost, highest, paramount, topmost, uppermost, chief, main, pre-eminent, outstanding, premier, prevailing, of greatest importance, vital, essential, central, focal, dominant, head, best, winner's, champion, principal, greatest, top, utmost, prime, leading, major, overriding, supreme, predominant, most important, of prime importance, key, crucial, core, pivotal, ruling, number-one, superlative, and winning.
Example Sentences
She was the first to arrive.
This is my first time here.
He finished the race first today.
The first chapter was quite interesting.