(adj.) being the only one of its type
unique
(n.) an important or special part of someone or something
feature
(n.) refusal or inability to believe that something is real or true
disbelief
(v.) to climb up or to the top of something
scale
(adj.) very good, impressive, or beautiful
splendid
(n.) a feeling of worry, disappointment, or unpleasantness
dismay
(adj.) having the ability to do something very well
skillful
(v.) to become larger in size, amount, number, etc.
expand
(adj.) very good or wonderful
fabulous
(v.) to say that you are willing to do or give something
offer
(n.) a person who leads a group of people
chief
(adj.) always noticing what is happening; alert
watchful