The most common and most likely answer to this crossword clue is the 5 letter word FEVER
F
E
V
E
R
More clues leading to the result FEVER
- Illness Father catches the day before
- Frenzy? Not so many, when half-hearted?
- . Excitement of month in Mali after leaving Indonesia
- Onset of flu always brings this?
- Great heat shown in temperature scale, invariably
- State of excitement that’s less half-hearted!
- Loud and always creating excitement
- Excitement following constantly
- Female continually creating state of excitement
- Loud, constantly making complaint
Buddy explains!

The straight part
We know that "excitement" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case excitement = fever.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does FEVER mean?
FEVER noun- A higher than normal body temperature of a person (or, generally, a mammal), usually caused by disease.
- (usually in combination with one or more preceding words) Any of various diseases.
- A state of excitement or anxiety.
- A group of stingrays.
- To put into a fever; to affect with fever.
- To become fevered.