Synonym word of first stage:

beginning, developmental,empirical, experiential,first stage, laboratory, momentary, on approval,pilot,preliminary, preparatory,primary, probationary,provisional,speculative,temporary,tentative,test,trial, trial-and-error, unconcluded, under probation, un


Antonyms:  A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Popular
Synonyms:  A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Popular