discerning
adjective /dɪˈsɜːnɪŋ/
  /dɪˈsɜːrnɪŋ/
(approving)- able to show good judgement about the quality of somebody/something- The discerning customer will recognize this as a high-quality product.
- To the discerning eye, the quality may seem quite poor.
 Oxford Collocations DictionaryDiscerning is used with these nouns:- buyer
- eye
- palate
- …