The most common and most likely answer to this crossword clue is the 4 letter word RITE
R
I
T
E
More clues leading to the result RITE
- Service engineers set about computer systems
- What sounds like quite a ceremony
- Engineers keep it as an observance
- Proper sounding form of service
- Sacred act — it’s covered in religious education
- Church ceremony set down on paper for reading out
- Time to abandon hackneyed ceremony
- Announcer’s fit for office
- Ceremony’s just on the radio
- Justice? By the sound of it something regularly observed
Buddy explains!

The straight part
We know that "Sacred act" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case sacred act = rite.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 RITE mean?
RITE noun- A religious custom.
- (by extension) A prescribed behavior.
- Straight, not bent.
- Of an angle, having a size of 90 degrees, or one quarter of a complete rotation; the angle between two perpendicular lines.
- Of a geometric figure, incorporating a right angle between edges, faces, axes, etc.
- Complying with justice, correctness or reason; correct, just, true.
- Appropriate, perfectly suitable; fit for purpose.
- Healthy, sane, competent.
- Real; veritable (used emphatically).
- All right; not requiring assistance.
- Most favourable or convenient; fortunate.
- Designating the side of the body which is positioned to the east if one is facing north. This arrow points to the reader's right: →
- Designed to be placed or worn outward.
- Pertaining to the political right; conservative.
- On the right side.
- Towards the right side.
- Exactly, precisely.
- Immediately, directly.
- Very, extremely, quite.
- According to fact or truth; actually; truly; really.
- In a correct manner.
- (still used in some titles) To a great extent or degree.
- Yes, that is correct; I agree.
- I agree with whatever you say; I have no opinion.
- Signpost word to change the subject in a discussion or discourse.
- Used to check agreement at the end of an utterance.
- Used to add seriousness or decisiveness before a statement.
- That which complies with justice, law or reason.
- A legal, just or moral entitlement.
- The right side or direction.
- The right hand or fist.
- The ensemble of right-wing political parties; political conservatives as a group.
- The outward or most finished surface, as of a coin, piece of cloth, a carpet, etc.
- A wave breaking from right to left (viewed from the shore).