This is the 554th most frequent Japanese word.
とても
Very; extremely.
Here, 'とても' is used as an adverb to emphasize the adjective '美味しい' (delicious).
このケーキはとても美味しいです。
This cake is very delicious.
In this context, 'とても' modifies the adjective '親切' (kind) to emphasize the quality of kindness.
彼女はとても親切な人です。
She is a very kind person.
Here, 'とても' enhances the adjective '楽しかった' (enjoyable) to express a high degree of enjoyment.