under

modif. and prep.

1. Referring to physical position

   on the bottom of, below, on the nether side of, covered by, beneath, concealed by, held down by, supporting, pinned beneath, on the underside of, pressed down by.

   Antonyms above*, over*, on top of.

2. Subject to authority

   subordinate to, reporting to, amenable to, subjugated to, under the sway of, governed by, in the power of, obeying the dictates of, obedient to, directed by.

3. Included within

   subsumed under, belonging to, corollary to, inferred from, consequent to, subsidiary to, comprised in, subsequent to, following; see also below 3.

   Antonyms different*, distinct from, apart.