Answer:
According to Oxford Languages, vital is similar to the following terms:
Synonyms 2:
essential
indispensable
crucial
key
necessary
needed
required
requisite
important
all-important
of the utmost importance
of great consequence
of the essence
critical
life-and-death
imperative
mandatory
urgent
pressing
burning
compelling
acute
paramount
preeminent
high-priority
significant
consequential
earth-shattering
world-shaking
Synonyms 2:
lively
energetic
active
sprightly
spry
animated
spirited
high-spirited
vivacious
exuberant
bouncy
enthusiastic
vibrant
zestful