noun

the distinctive taste of a food or drink.

the yoghurt comes in eight fruit flavours

taste,savour,tang,relish,palate,sapor,flavouring,seasoning,tastiness,tanginess,interest,bite,piquancy,pungency,smack,spice,spiciness,sharpness,zest,raciness,edge,zing,zip,punch

verb

alter or enhance the taste of (food or drink) by adding a particular ingredient.

chunks of chicken flavoured with herbs

add flavour to,add flavouring to,season,spice (up),add seasoning/herbs/spices to,add piquancy to,ginger up,enrich,enliven,liven up,spike,pep up