Context Sentence: At the rate that his Los Angles branch was blossoming, it would soon be on a par with his base in New York.

Source Leandra Logan, 1995, Her Favourite Husband, BPC Paperbacks Ltd.

Definition v. develop in a healthy or promising way; grow or develop into sth; flourish.(Oxford Advanced Learner's English--Chinese Dictionary, Fourth Edition, 1998)

Mnemonic: It could mean flower as n. when it appears as a v. it means develop or grow like a flower.