flow ‧ er ‧ ing /ˈflaʊərɪŋ/ BrE AmE noun
[ Word Family: adjective : ↑ flowered , ↑ flowery , flowering; verb : ↑ flower , ↑ deflower ; noun : ↑ flower , ↑ flowering ]
the flowering of something formal when something develops in a very successful way:
The 19th century saw a flowering of science and technology.