whet 
/ˈwɛt/ verb
whets; whet·ted; whet·ting /ˈwɛt/ verb [+ obj] : to make (something, such as a person's appetite or curiosity) sharper or stronger
▪ We had some wine to whet our appetites. ▪ You've whetted my curiosity. ▪ The ads are trying to whet booksellers' interest.
▪ We had some wine to whet our appetites. ▪ You've whetted my curiosity. ▪ The ads are trying to whet booksellers' interest.
