( BrE also fan·ta·sise ) / ˈfæntəsaɪz; NAmE / verb
fantasize (about sth) to imagine that you are doing sth that you would like to do, or that sth that you would like to happen is happening, even though this is very unlikely :
[ v ]
He sometimes fantasized about winning the gold medal.
[also v that ]
► fan·ta·sist / ˈfæntəsɪst; NAmE / noun