cautious (
http://definr.com/cautious)
adj 1: showing careful forethought; "reserved and cautious; never
making swift decisions"; "a cautious driver" [ant:
incautious]
2: avoiding excess; "a conservative estimate" [syn:
conservative]
3: cautious in attitude and careful in actions; prudent; "a
cautious answer"; "very cautious about believing
everything she was told"
4: unwilling to take risks
n : people who are fearful and cautious; "whitewater rafting is
not for the timid" [syn:
timid] [ant:
brave]