adj.
Rigorous is used with these nouns: ↑ check , ↑ curriculum , ↑ definition , ↑ discipline , ↑ enforcement , ↑ evaluation , ↑ examination , ↑ inspection , ↑ regime , ↑ research , ↑ schedule , ↑ scrutiny , ↑ standard , ↑ test , ↑ training
adj.
Rigorous is used with these nouns: ↑ check , ↑ curriculum , ↑ definition , ↑ discipline , ↑ enforcement , ↑ evaluation , ↑ examination , ↑ inspection , ↑ regime , ↑ research , ↑ schedule , ↑ scrutiny , ↑ standard , ↑ test , ↑ training
Oxford Collocations English Dictionary. Оксфордский английский словарь словосочетаний . 2012