The most common and most likely answer to this crossword clue is the 7 letter word ENTERED
I've seen this crossword clue in The Daily Telegraph
E
N
T
E
R
E
D
More clues leading to the result ENTERED
- Key often used by news boss went in
- Went on stage last, captivating theatre after removing hat
- Key journalist walked in
- Recorded theories regularly in conclusion
- Tree with lowered resistance, in consequence put down
- Went in hospital department with foot in bandage and inflamed
- Went in hospital department before daughter
- Correspondent: ‘er editor’s sandwiches put down on paper
- Appeared to act?
- Went in bearing tender for exchange
Buddy explains!

The straight part
We know that "put down on paper" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case put down on paper = entered.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 ENTERED mean?
ENTERED verb- To go or come into an enclosed or partially enclosed space.
- To cause to go (into), or to be received (into); to put in; to insert; to cause to be admitted.
- To go or come into (a state or profession).
- To type (something) into a computer; to input.
- To record (something) in an account, ledger, etc.
- To become a party to an agreement, treaty, etc.
- To become effective; to come into effect.
- To go into or upon, as lands, and take actual possession of them.
- To place in regular form before the court, usually in writing; to put upon record in proper from and order.
- To make report of (a vessel or its cargo) at the custom house; to submit a statement of (imported goods), with the original invoices, to the proper customs officer for estimating the duties. See entry.
- To file, or register with the land office, the required particulars concerning (a quantity of public land) in order to entitle a person to a right of preemption.
- To deposit for copyright the title or description of (a book, picture, map, etc.).
- To initiate; to introduce favourably.