Synonyms of deciding

1 Syllable
key, chief
2 Syllables
prime, judging, choosing, voting, crucial, weighing
3 Syllables
principal, important, critical, influential, balloting
4 Syllables
unarguable, managerial, decisive, significant, conclusive, necessary
5 Syllables
supervisory, policy-making, policymaking
6 Syllables
administrative, organizational