The most common and most likely answer to this crossword clue is the 9 letter word DISCOURSE
I've seen this crossword clue in Financial Times
D
I
S
C
O
U
R
S
E
More clues leading to the result DISCOURSE
- Sure to be upset following party conversation
- Verbal expression in woman's series of lectures?
- Inspector polishes up English speech
- Almost get rid of crude-sounding speech
- Record our scene, omitting everything within formal speech
- Chat in party, taking number from nurse
- Pop music sure ruined conversation!
- Record nothing – sure to become garbled speech
- Verbal communication one’s used in Dutch classes?
- Dunderhead is on schedule to make speech
Buddy explains!

The straight part
We know that "to make speec" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case to make speec = discourse.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 DISCOURSE mean?
DISCOURSE noun- Verbal exchange, conversation.
- Expression in words, either speech or writing.
- A formal lengthy exposition of some subject, either spoken or written.
- Any rational expression, reason.
- An institutionalized way of thinking, a social boundary defining what can be said about a specific topic (after Michel Foucault).
- Dealing; transaction.
- To engage in discussion or conversation; to converse.
- To write or speak formally and at length.
- To debate.
- To exercise reason; to employ the mind in judging and inferring; to reason.
- To produce or emit (musical sounds).