strictly in WordNet English dictionary

1. restricted to something
   "we talked strictly business"
   strictly  purely  strictly  purely 
   
2. in a rigorous manner
   "he had been trained rigorously by the monks"
   rigorously  strictly  rigorously  strictly 
   
3. in a stringent manner
   "the laws are stringently enforced"; "stringently controlled"
   strictly  stringently  strictly  stringently