1 : a feeling of wanting to do something : a tendency to do something
(noncount)
She shows no/little inclination to give in to their demands.
He’s a loner by inclination.
(count)
My first/initial/natural inclination was to say no, but I finally decided to do what she asked.
We can either go now or plan to go later. What’s your inclination? (=what are you inclined to do?; what do you want to do?)
I have neither the time nor the inclination to learn about such matters.
2 : (count) : a slanting surface : slope
a steep inclination
3 : (count) : the act of bending your head or body forward : the act of inclining your head or body
He acknowledged us with a slight inclination (=(more commonly) nod) of his head.