prepotent (?.)

• armipotent
• ascendant
• at the head
• authoritative
• boss
• chief
• cogent
• commanding
• controlling
• dominant
• dynamic
• effective
• energetic
• forceful
• forcible
• general
• governing
• head
• hegemonic
• hegemonistic
• high-potency
• high-powered
• high-pressure
• high-tension
• in ascendancy
• in charge
• in chief
• in force
• in power
• in the ascendant
• irresistible
• leading
• master
• mighty
• mighty in battle
• on the throne
• operative
• paramount
• potent
• powerful
• predominant
• predominate
• prepollent
• preponderant
• preponderate
• prevailing
• prevalent
• puissant
• regnant
• regulating
• regulative
• regulatory
• reigning
• ruling
• sovereign
• striking
• strong
• supreme
• swaying
• telling
• valid
• vigorous
• vital