The term 'regards highly' can be broken down into four crossword solutions: VALUES (6 letters), ADMIRES (7 letters), ESTEEMS (7 letters), and RESPECTS (8 letters). To 'regard highly' is to have a high opinion of someone or something, and these four words all express that sentiment. To 'VALUE' something is to hold it in high regard, to 'ADMIRE' something is to have a deep RESPECT for it, to 'ESTEEM' something is to think highly of it, and to 'RESPECT' something is to show admiration for it.