solely
adverb /ˈsəʊlli/
  /ˈsəʊlli/
- only; not involving somebody/something else
- She was motivated solely by self-interest.
 - Selection is based solely on merit.
 - He became solely responsible for the firm.
 
Oxford Collocations DictionarySolely is used with these adjectives:- composed
 - concerned
 - dependent
 - …