An Etymological Dictionary of Astronomy and Astrophysics

1. The act of associating, → associate; the state of being associated.
   

2. A group of → astronomical objects physically or apparently gathered in a particular area of sky, for example an → stellar association.
   

3. An organization of persons having a common interest. → dissociation.

Etymology (EN): Association, noun from → associate.

Etymology (PE): Âhazeš, verbal noun of → âhazidan→ associate. Anjoman, for the meaning 3, from Mid.Pers. anjaman, from Av. han-jamana, from han- “together” + jamana, from gam- “to come;” cf. Skt. samgamana “gathering together.”