1) (an act of) agreeing to a time and place to meet (appointment)

2) (a result of) agreeing to do or give something (especially after discussion, an argument etc) (concession)

3) not agreeing to or expressing a definite decision or opinion (non-committal)

4) not easily agreeing to an argument or being persuaded; stubborn (obstinate)

5) to become less severe or cruel (especially by agreeing to something after refusing) (relent)