Another word for predominant
Supreme in power
mighty, almighty, supreme, omnipotent, all-powerful, ascendant, reigning, ruling, overruling, prevailing, prevalent, controlling, supervisory, directing, influential, dominant, dominating, authoritative, arbitrary, paramount, preponderant, preeminent, imperious, absolute, executive, official, potent, weighty, effective, efficacious, overpowering, governing, holding the reins; see also powerful 1.
Of first importance
predominant refers to that which is at the moment uppermost in importance or influence the predominant reason for his refusal; dominant refers to that which dominates or controls, or has the greatest effect dominant characteristics in genetics; paramount is applied to that which ranks first in importance, authority, etc. of paramount interest to me; preeminent implies prominence because of surpassing excellence the preeminent writer of his time; preponderant implies superiority in amount, weight, power, importance, etc. the preponderant religion of a country