Answer:
the two men arrived at an amicable settlement.
Explanation:
Amiable is an Adjective which describes people who are friendly with the society or sociable.
Amicable is an Adjective which describes relations or interactions that are formal/civil or peaceable.
Eg: Your neighbor is 'amiable,' but thier interactions with the society are 'amicable'.
The given statement means that the two men are meeting for the first time and hence the conversation will be formal.