The term 'talk up' is a phrase that means to speak positively about something in order to make it more appealing. The crossword solutions for this term are PRAY (4 letters), TOUT (4 letters), HYPE (4 letters), PROMOTE (7 letters), LAUD (4 letters), and PRAISE (6 letters). All of these words have similar meanings, as they all involve speaking positively about something in order to make it more attractive. For example, 'TOUT' means to advertise or PROMOTE something, while 'HYPE' means to exaggerate the qualities of something in order to make it more appealing. Similarly, 'PRAISE' and 'LAUD' both mean to express admiration or approval for something. Finally, 'PROMOTE' and 'SELL' both mean to encourage people to buy or use something.