appear approach arise be born become blossom bob up break forth break out break water brew burgeon burst forth chance come along come forth come into being come into existence come on come out come to be crop up debouch develop draw on erupt flare up flash float up flourish fly up fountain gather germinate get to be gleam grow grow up gush have origin hypertrophy increase irrupt issue issue forth jet jump up leap up materialize mature mushroom originate outgrow overdevelop overgrow overtop pop up present itself procreate pullulate reproduce rise rocket shoot up show up skyrocket sprout sprout up spurt start up surface take birth take rise thrive tower turn up upleap upshoot upspear upspring upsprout upstart vault up vegetate wax