a gathering

gather
transitive verb
to bring together, to collect
to pick or harvest
to summon up
to bring parts of a whole closer
to reach a conclusion through intuition, to know from a different source
to assemble in sequence as a book

From: Old English gadrian, gædrian “unite, agree, assemble; gather, collect, store up” (transitive and intransitive), used of flowers, thoughts, person.

See also: woolgathering, 1550s, “indulging in wandering fancies and purposeless thinking,” traditionally from the literal meaning “gathering fragments of wool torn from sheep by bushes, etc.,” as an activity that necessitates much wandering to little purpose.