Complicated, delicate, elaborate, highly developed, intricate, involved, knotty, labyrinthine, modern, multifaceted, refined, subtle. These are some of the many synonyms of the word "sophisticated". The attached link below has many more.
Dictionary.com shows the following synonmys:
worldly, cosmopolitan, experienced, cultivated.
Some words that have the same meaning as "multiply" are increase, expand, and grow.
Ironically enough, the word "Mean" is the same as "Signify"
look
Gone
astray
luckily, gratefully
Attraction, allurement...
Rapid, speedy.
A lab or a demonstration.
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.
passage opening entrance