advisable
ad•vis•ableBrE /ədˈvaɪzəbl/
NAmE /ədˈvaɪzəbl/
adjective[not usually before noun]sensible and a good idea in order to achieve sth
example bank
Early booking is advisable.~ to do sth It is advisable to book early. 
inadvisable 
ad•vis•abil•ity /BrE ədˌvaɪzəˈbɪləti; NAmE ədˌvaɪzəˈbɪləti/ noun [uncountable]
