LEXICON
Credit; LA Times Crossword
Sylvia Bursztyn and Barry Tunick  (#1-5)

The answers to the clues below will have something in common.

1. Speak advisedly
2. Argue
3. Explicitly
4. It should be sufficient
5. Rarely heard on the range
6. Worth of a picture
7. Honor a promise
8. Fail to keep a promise
9. Say just what someone else was about to say
10. Exact quote
11. The best and least expensive advertising
12. Listen eagerly and intently
13. Solemn pledge


Answers:

1. Weigh one's words
2. Have words with 
3. In so many words
4. A word to the wise
5. A discouraging word
6. A thousand words
7. Keep your word
8. Break your word
9. Take the words out of someone's mouth
10. Word-for-word
11. Word of mouth
12. Hang on someone's words 
13. Word of honor