The most common and most likely answer to this crossword clue is the 6 letter word CAN-DO
C
A
N
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D
O
More clues leading to the result CAN-DO
- Proactive pair opening company?
- Bullish attitude to truth: you are allegedly excluded
- Positive toilet’s the same as before
- Such a positive attitude the makings of a small company?
- Positive in attitude, they make company
- Kind of optimistic attitude exhibited by 50% of canids
- Positive attitude derived from American openness mostly
- Confident contribution from medic and orderly
Buddy explains!

The straight part
We know that "Kind of optimistic attitude" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case kind of optimistic attitude = can-do.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 CAN-DO mean?
CAN-DO adjective- Confident and willing to get a job done.