(1):

(a.) Agreeing or suitable; conformable; correspondent; concordant; adapted; - followed by to, rarely by with.

(2):

(a.) In pursuance, conformity, or accordance; - in this sense used adverbially for agreeably; as, agreeable to the order of the day, the House took up the report.

(3):

(a.) Pleasing, either to the mind or senses; pleasant; grateful; as, agreeable manners or remarks; an agreeable person; fruit agreeable to the taste.

(4):

(a.) Willing; ready to agree or consent.