IPA: /dɪˌzɪdəˈreɪʃən/
KK: /dɪˌzɪdəˈreɪʃən/
The act of wishing for or longing for something; it can also refer to the thing that is desired.
Her desideration for a peaceful life led her to move to the countryside.
Desideration is formed from "desiderare" (meaning to long for or desire) and the suffix "-tion" (indicating the action or process of). The word refers to the act of longing or desiring something.
Think of 'longing for' something ('desiderare') and remember that 'desideration' means the process of that longing.