IPA: /dɪˈzɪdəˌreɪtɪv/
KK: /dɪˈzɪdəˌreɪtɪv/
Relating to or expressing a wish or desire.
In some languages, the desiderative form is used to indicate what someone wishes to happen.
Desiderative is formed from "desiderare" (meaning to long for or desire) and the suffix "-ive" (meaning having the nature of). The word describes something that has the nature of longing or desire.
Think of 'desiderare' which means to long for, and remember that 'desiderative' refers to something that expresses a longing or desire.