Cases of word usage

1) giving information how, when, where about a verb, such as happily, today, well, as in smile happily, come today, feel will (adverb)

2) to make (a person) laugh or smile (amuse)

3) to smile broadly so as to show the teeth, expressing amusement, satisfaction etc (grin)

4) (to give) a silly, self-conscious smile (simper)

5) (to give) a silly (often rude), self-satisfied smile (smirk)

6) to show one's dislike by using a wrinkled nose and an insincere smile (and perhaps despising words) (sneer)