Noun

1. A number or letter indicating quality (especially of a student's performance)
2. A distinguishing symbol
3. A reference point to shoot at
4. A visible indication made on a surface
5. The impression created by doing something unusual or extraordinary that people notice and remember
6. A symbol of disgrace or infamy; --genesis
7. Formerly the basic unit of money in germany
8. Apostle and companion of saint peter; assumed to be the author of the second gospel
9. A person who is gullible and easy to take advantage of
10. A written or printed symbol (as for punctuation)
11. A perceptible indication of something not immediately apparent (as a visible clue that something has happened)
12. The shortest of the four gospels in the new testament
13. An indication of damage
14. A marking that consists of lines that cross each other
15. Something that exactly succeeds in achieving its goal

Verb

1. Attach a tag or label to
2. Designate as if by a mark
3. Be a distinctive feature, attribute, or trait; sometimes in a very positive sense
4. Mark by some ceremony or observation
5. Make or leave a mark on
6. To accuse or condemn or openly or formally or brand as disgraceful
7. Notice or perceive
8. Mark with a scar
9. Make small marks into the surface of
10. Establish as the highest level or best performance
11. Make underscoring marks
12. Remove from a list
13. Put a check mark on or near or next to
14. Assign a grade or rank to, according to one's evaluation
15. Insert punctuation marks into