The most common and most likely answer to this crossword clue is the 7 letter word ORATORY
I've seen this crossword clue in Independent
O
R
A
T
O
R
Y
More clues leading to the result ORATORY
- Eloquent person with year in chapel
- Rhetoric from a right-winger on “men”
- The art of speaking in chapel
- Chapel area in gold and blue
- Colourful words including one between yellow and blue
- With roof of gold, a blue chapel
- Rhetoric of a socialist or otherwise …
- Research establishment missing party in chapel
- Chapel area in gold colour with blue?
- Journal regularly ignored Conservative speech
Buddy explains!

The straight part
We know that "Colourful words" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case colourful words = oratory.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 ORATORY mean?
ORATORY noun- A private chapel or prayer room.
- A large Roman Catholic church.
- The art of public speaking, especially in a formal, expressive, or forceful manner.
- Eloquence; the quality of artistry and persuasiveness in speech or writing.