Collocations for picnic - noun

family
school
church, Sunday-school (both esp. AmE)
company (esp. AmE)

go for (esp. BrE), go on (esp. AmE), have
Let's have a picnic down by the river.

organize, plan
enjoy
make
Will you help me make a picnic?

bring, take
We took a picnic and spent the day watching the races.

pack

basket, bench, blanket, hamper (BrE), rug (BrE), table
lunch, tea (BrE)
area, ground (AmE), site (esp. BrE), spot