Strong's #1492: eido (pronounced i'-do)
 a primary verb; used only in certain past tenses, the others being borrowed from the equivalent 3700 and 3708; properly, to see (literally or figuratively); by implication, (in the perfect tense only) to know:--be aware, behold, X can (+ not tell), consider, (have) know(-ledge), look (on), perceive, see, be sure, tell, understand, wish, wot. Compare 3700.
Thayer's Greek Lexicon:
 ̓́ 
 
  eidō 
 
 1) to see
 
 1a) to perceive with the eyes
 1b) to perceive by any of the senses
 1c) to perceive, notice, discern, discover
 1d) to see
 
 1d1) i.e. to turn the eyes, the mind, the attention to anything
 1d2) to pay attention, observe
 1d3) to see about something
 
 1d3a) i.e. to ascertain what must be done about it
 
 1d4) to inspect, examine
 1d5) to look at, behold
 
 1e) to experience any state or condition
 1f) to see, i.e. have an interview with, to visit
 
 2) to know
 
 2a) to know of anything
 2b) to know, i.e. get knowledge of, understand, perceive
 
 2b1) of any fact
 2b2) the force and meaning of something which has definite meaning
 2b3) to know how, to be skilled in
 
 2c) to have regard for one, cherish, pay attention to (I Thessalonians 5:12)
 
  Part of Speech: verb
Relation: a root word
  Citing in TDNT: 5:116, 673
 
Usage:
This word is used 665 times:
Luke 2:17: "And  when they had seen it, they made known abroad the saying which was told them"
Luke 2:20: "the things that they had heard and  seen, as it was told unto them."
Luke 2:26: "Holy Ghost, that he should not  see death, before he had seen the Lord's"
Luke 2:26: "see death, before  he had seen the Lord's Christ."
Luke 2:30: "For mine eyes  have seen thy salvation,"
Luke 2:48: "And  when they saw him, they were amazed: and his mother said"
Luke 2:49: "is it that ye sought me?  wist ye not that I must"
Luke 4:34: "what have we to do with thee, thou Jesus of Nazareth? art thou come to destroy us?  I know thee"
Luke 4:41: "not to speak: for  they knew that he was Christ."
Luke 5:2: "And  saw two ships standing by the lake:"
Luke 5:8: "When Simon Peter  saw it, he fell down at Jesus' knees, saying,"
Luke 5:12: "a man full of leprosy: who  seeing Jesus fell on"
Luke 5:20: "And  when he saw their faith, he said unto him, Man, thy"
Luke 5:24: "But that  ye may know that the Son of man hath"
Luke 5:26: "God, and were filled with fear, saying,  We have seen strange things today."
Luke 6:8: "But he  knew their thoughts, and said to the"
Luke 7:13: "And when the Lord  saw her, he had compassion on her,"
Luke 7:22: "and tell John what things  ye have seen and heard; how that the blind"
Luke 7:25: "But what went ye out  for to see? A man clothed in soft"
Luke 7:26: "But what went ye out  for to see? A prophet? Yea, I say unto you,"
Luke 7:39: "Pharisee which had bidden him  saw it, he spake within himself, saying,"
Luke 8:20: "stand without, desiring  to see thee."
Luke 8:28: "When  he saw Jesus, he cried out, and fell down before him, and"
Luke 8:34: "When they that fed  them saw what was done, they fled, and went and told"
Luke 8:35: "Then they went out  to see what was done; and came to Jesus,"
Luke 8:36: " They also which saw it told them by what means he that was possessed of the devils was healed."
Luke 8:47: "And when the woman  saw that she was not hid, she came"
Luke 8:53: "And they laughed him to scorn,  knowing that she was dead."
Luke 9:9: "such things? And he desired  to see him."
Luke 9:27: "taste of death, till  they see the kingdom of God."
Luke 9:32: "with sleep: and when they were awake,  they saw his glory, and the"
Luke 9:33: "one for Elijah: not  knowing what he said."
Luke 9:47: "And Jesus,  perceiving the thought of their heart, took"
Luke 9:49: "answered and said, Master,  we saw one casting out devils in"
Luke 9:54: "James and John  saw this, they said, Lord, wilt thou that we command"
Luke 9:55: "them, and said,  Ye know not what manner of spirit ye"
Luke 10:24: "and kings have desired  to see those things which ye see, and"
Luke 10:24: "see, and have not  seen them; and to hear those things which ye hear,"
Luke 10:31: "priest that way: and  when he saw him, he passed by on the other side."
Luke 10:32: "place, came and  looked on him, and passed by on the other side."
Luke 10:33: "came where he was: and  when he saw him, he had compassion"
Luke 11:13: "then, being evil,  know how to give good gifts unto your"
Luke 11:17: "But he,  knowing their thoughts, said unto them, Every"
Luke 11:38: "And when the Pharisee  saw it, he marveled that he had not first"
Luke 11:44: "men that walk over  them are not aware"
Luke 12:30: "and your Father  knoweth that ye have need of these things."
Luke 12:39: "if the goodman of the house  had known what hour the thief"
Luke 12:54: "to the people, When  ye see a cloud rise out of the west,"
Luke 12:56: "Ye hypocrites,  ye can discern the face of the sky and"
Luke 13:12: "And when Jesus  saw her, he called her to him, and said unto her,"