FOR EXAMPLE:
It was very popular in certain academic circles.
Collocates in iWeb of ‘in academic circles’
1 KNOWN 28
2 ESPECIALLY 17
3 DEBATE 14
4 POPULAR 12
5 DEBATED 11
6 LEAST 11
7 WIDELY 10
8 DISCUSSED 9
9 REFERRED 9
academic B2 circles A2 known A1 especially A2 debate B2 popular A2 debated C2 least A2 widely B2 discussed A2 referred C2