first

n.

[1]	number one
[2]	number one , number 1
[3]	beginning , commencement , outset , get-go , start , kickoff , starting time , showtime , offset
[4]	first base
[5]	first-class honours degree
[6]	first gear , beginning , start , low gear , low , inception , commencement , outset , (Colloq) word go
[7]	first place , blue ribbon , gold (medal) , triumph , victory , win
[8]	at first , initially , in the beginning , at the start/outset , (Colloq) from the word go

adv.

[1]	before , in front , earliest , beforehand , ahead , sooner , foremost
[2]	in the first place , firstly , before all/anything else , initially , at the outset/beginning , to begin/start with , from the start , (Colloq) first off
[3]	firstly , foremost , first of all , first off
[4]	for the first time
[5]	foremost

adj.

[1]	foremost , leading , chief , head , premier , prime , primary , principal , pre-eminent
[2]	earliest , original , senior , oldest , initial , beginning , maiden , opening
[3]	fundamental , elementary , basic , primary , cardinal , key , essential
[4]	1st
[5]	inaugural , initiative , initiatory , maiden
[6]	beginning
[7]	foremost , world-class