preponderant (adj.)

• arch
• ascendant
• banner
• boss
• capital
• cardinal
• central
• champion
• chief
• commanding
• controlling
• crowning
• dominant
• first
• focal
• foremost
• general
• governing
• great
• head
• leading
• magisterial
• main
• master
• overbearing
• paramount
• predominant
• predominate
• preeminent
• prevailing
• prevalent
• primal
• primary
• prime
• principal
• ranking
• regnant
• regulating
• regulative
• regulatory
• reigning
• ruling
• sovereign
• star
• stellar
• supreme