The most common and most likely answer to this crossword clue is the 5 letter word GREET
G
R
E
E
T
Buddy explains!
The straight part
We know that "Welcome" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case welcome = greet.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 GREET mean?
GREET verb- To welcome in a friendly manner, either in person or through another means e.g. writing or over the phone/internet
- To arrive at or reach, or meet (talking of something which brings joy)
- To accost; to address.
- To meet and give salutations.
- To be perceived by (somebody).
- (obsolete outside Scotland) Great.
- Mourning, weeping, lamentation.
- To weep; to cry.