burst forth (v.)

• arise
• become
• belch
• bud
• burgeon
• come
• debouch
• discharge
• disgorge
• effuse
• eject
• emanate
• emerge
• eruct
• erupt
• explode
• extrude
• flash
• flourish
• germinate
• gleam
• grow
• irrupt
• issue
• leaf
• leave
• luxuriate
• originate
• overgrow
• overrun
• protrude
• pullulate
• riot
• rise
• root
• sally
• shoot
• spew
• spout
• sprout
• surface
• vegetate
• vomit