aficionar
to interest
afición
hobby, interest
+
-ar
verb suffix
Aficionar means to interest and can be thought of as afición0 (hobby, interest0) + -ar1 (verb1), literally meaning 'to make something a hobby or interest'.
verb
  1. to interest
    To make someone interested in or fond of something
    El profesor logró aficionar a sus alumnos a la lectura. // The teacher managed to interest his students in reading.