Swelling, Increase, Growth
Noun, する verb, and の adjective
ぼうちょう
宇宙は膨張しています。
The universe is expanding.
You need to swell and stretch if you want to see any kind of expansion of your company. Growth can't happen without a little wiggle room.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.