Lexical Definition

‎καταστέλλω‎ katastéllō (kat-as-tel'-lo) to quiet ^G:V
from ‎κατά‎ and ‎στέλλω‎

appease, quiet.

• to put down, i.e. quell

Abbott-Smith

** κατα-στέλλω, [in LXX: II Mac 4:31, III Mac 6:1*;]
1. to let down, lower.
2. to keep down, restrain: c. acc., Ac 19:35, 36.†

Abbott-Smith References

Liddell-Scott-Jones

καταστέλλω,

future - [Refs 5th c.BC+] (for Aeolic dialect forms see at {κασπολέω}): —put in order, arrange, [πλόκαμον] [Refs 5th c.BC+] [same place]; equip, clothe, dress, [Refs 6th c.BC+]

__II let down, lower, [Refs 1st c.BC+]; κ. τὰ βράγχια shut them, [Refs 1st c.AD+] 2.979c; press down, [Refs 2nd c.AD+].
__II.2 repress, restrain, [Refs 5th c.BC+], compare 547b, etc.:—passive, [Refs]; of persons, to be placed under restraint, reduced to order, [Refs 2nd c.BC+] of calm, sedate character, opposed to τολμηρός, [Refs 1st c.BC+]
__II.3 in Medicine texts, reduce, [Refs 1st c.AD+].