focal (adj.)

• approaching
• arch
• asymptotic
• banner
• basic
• capital
• cardinal
• central
• centralized
• centred
• centripetal
• champion
• chief
• concentrated
• concurrent
• confluent
• convergent
• crowning
• dominant
• essential
• first
• foremost
• fundamental
• great
• indispensable
• leading
• life-and-death
• life-or-death
• magisterial
• main
• master
• material
• meeting
• paramount
• predominant
• preeminent
• preponderant
• prevailing
• primal
• primary
• prime
• principal
• radial
• radiating
• ranking
• ruling
• sovereign
• star
• stellar
• substantive
• tangential
• vital