Strong's #2523: kathizo (pronounced kath-id'-zo)
 another (active) form for 2516; to seat down, i.e. set (figuratively, appoint); intransitively, to sit (down); figuratively, to settle (hover, dwell):--continue, set, sit (down), tarry.
Thayer's Greek Lexicon:
 ́ 
 
  kathizō 
 
 1) to make to sit down
 
 1a) to set, appoint, to confer a kingdom on one
 
 2) intransitively
 
 2a) to sit down
 2b) to sit
 
 2b1) to have fixed one' s abode
 2b2) to sojourn, to settle, settle down
 
  Part of Speech: verb
Relation: another (active) form for G2516
  Citing in TDNT: 3:440, 386
 
Usage:
This word is used 48 times:
Matthew 5:1: "a mountain: and when he  was set, his disciples came unto him:"
Matthew 13:48: "to shore, and  sat down, and gathered the good into"
Matthew 19:28: "the Son of man  shall sit in the throne of his glory,"
Matthew 19:28: "glory, ye also  shall sit upon twelve thrones, judging"
Matthew 20:21: "my two sons  may sit, the one on thy right hand,"
Matthew 20:23: "I am baptized with: but  to sit on my right hand, and"
Matthew 23:2: "and the Pharisees  sit in Moses' seat:"
Matthew 25:31: "with him, then  shall he sit upon the throne of his glory:"
Matthew 26:36: "saith unto the disciples,  Sit ye here, while I go"
Mark 9:35: "And  he sat down, and called the twelve, and saith unto them,"
Mark 10:37: "Grant unto us that  we may sit, one on thy right hand,"
Mark 10:40: "But  to sit on my right hand and on my"
Mark 11:2: "whereon never man  sat; loose him, and bring"
Mark 11:7: "garments on him; and  he sat upon him."
Mark 12:41: "And Jesus  sat over against the treasury, and beheld how"
Mark 14:32: "he saith to his disciples,  Sit ye here, while I shall pray."
Mark 16:19: "into heaven, and  sat on the right hand of God."
Luke 4:20: "and he gave it again to the minister,  and sat down. And the eyes of all"
Luke 5:3: "the land. And  he sat down, and taught the people out of"
Luke 14:28: "intending to build a tower,  sitteth not down first, and counteth the"
Luke 14:31: "to make war against another king,  sitteth not down first,"
Luke 16:6: "thy bill, and  sit down quickly, and write fifty."
Luke 19:30: "whereon yet never man  sat: loose him,"
Luke 22:30: "my kingdom, and  sit on thrones judging the"
Luke 24:49: "upon you: but  tarry ye in the city"
John 8:2: "unto him; and  he sat down, and taught them."
John 12:14: "Jesus, when he had found a young ass,  sat thereon; as it is"
John 19:13: "Jesus forth, and  sat down in the judgment seat in"
Acts 2:3: "like as of fire, and  it sat upon each of them."
Acts 2:30: "the flesh, he would raise up Christ  to sit on his throne;"
Acts 8:31: "And he desired Philip that he would come up  and sit with him."
Acts 12:21: "in royal apparel,  sat upon his throne, and made an oration unto"
Acts 13:14: "on the sabbath day,  and sat down."
Acts 16:13: "was wont to be made; and  we sat down, and spake unto the women which resorted"
Acts 18:11: "And  he continued there a year and six months, teaching the"
Acts 25:6: "Caesarea; and the next day  sitting on the judgment seat commanded"
Acts 25:17: "delay on the morrow  I sat on the judgment seat, and commanded"
1 Corinthians 6:4: "have judgments of things pertaining to this life,  set them to judge who are least esteemed in the"
1 Corinthians 10:7: "it is written, The people  sat down to eat and drink, and"
Ephesians 1:20: "from the dead, and  set him at his own right hand in"
2 Thessalonians 2:4: "he as God  sitteth in the temple of God,"
Hebrews 1:3: "purged our sins,  sat down on the right hand of the"
Hebrews 8:1: "such a high priest, who  is set on the right hand of the throne"
Hebrews 10:12: "for sins forever,  sat down on the right hand of God;"
Hebrews 12:2: "despising the shame, and  is set down at the right hand of the throne"
Revelation 3:21: "To him that overcometh will I grant  to sit with me in my"
Revelation 3:21: "I also overcame, and  am set down with my Father in"
Revelation 20:4: "I saw thrones, and  they sat upon them, and judgment"