luckily, gratefully
passage opening entrance
spunk, energy, smarts, balls
many, multiple, abundance, plethora, etc.
fast rapidly speedily immediately promptly
How about: earth, soil, ground... ? Is that good? Hope I helped!
Some words that have the same meaning as "multiply" are increase, expand, and grow.
Some words that have the same meaning as "signify" are indicate, signal, express, and represent.
Gone
look
Attraction, allurement...
Rapid, speedy.
A lab or a demonstration.
astray
luckily, gratefully
I know that one word that has the same meaning as describe/description would be depiction.
There are some contexts in which the words "may" or "might" have the same meaning as would.