The term 'spices up' can be defined by the following crossword solutions: jazzes (6 letters), sexes (5 letters), peps (4 letters), enlivens (8 letters), seasons (7 letters), and stirsin (7 letters). Jazzes refers to a style of music that is characterized by improvisation, syncopated rhythms, and often a call-and-response pattern. Sexes refers to the two distinct categories of male and female. Peps means to invigorate or energize. Enlivens means to make something more lively or interesting. Seasons refers to the four divisions of the year, which are spring, summer, autumn, and winter. Stirsin is an archaic word meaning to excite or animate. All of these words can be used to describe the phrase 'spices up, ' which means to make something more exciting or interesting.