facile

Adjective

• expressing yourself readily, clearly, effectively
  • able to dazzle with his facile tongue
    
  • silver speech
    

• performing adroitly and without effort
  • a facile hand
    

• arrived at without due care or effort; lacking depth
  • too facile a solution for so complex a problem
    

Related words

• Synonyms: 
  eloquent , fluent , silver , silver-tongued , smooth-spoken