So pharmakeia has nothing to do with witchcraft but does deals with exactly with what the word implies!
Witchcraft falls under idolatry and sorcery!
Wicca, the religion
http://www.religioustolerance.org/witchcra.htm
THE INNER SANCTUM OF WICCA & WITCHCRAFT
http://www.witchway.net/
Idolatry
Strong's Number: 1495
Transliterated: eidololatreia
Phonetic: i-do-lol-at-ri'-ah
Text: from 1497 and 2999; image-worship (literally or figuratively): --idolatry.
Sorcery
Strong's Number: 3095
Transliterated: mageia
Phonetic: mag-i'-ah
Text: from 3096; "magic": --sorcery.
Strong's Number: 3096
Transliterated: mageuo
Phonetic: mag-yoo'-o
Text: from 3097; to practice magic: --use sorcery.
Strong's Number: 3097
Transliterated: magos
Phonetic: mag'-os
Text: of foreign origin [7248]; a Magian, i.e. Oriental scientist; by implication a magician: --sorcerer, wise man.
Acts 8:9-11
9.
|0435| a man
|1161| And
|5100| certain
|3686| by name
|4613| Simon
|4391| had long been
|1722| in
|3588| the
|4172| city
|3096| conjuring(sorcery)
|2532| and
|1839| amazing
|3588| the
|1484| nation
|4540| of Samaria,
|3004| saying
|1511| to be
|5100| someone
|1438| himself
|3173| great,
10.
|3739| to whom
|4337| paid attention to
|3956| all
|0575| from
|3398| unimportant
|2193| to
|3173| important,
|3004| saying,
|3778| This one
|2076| is
|3588| the
|1411| power
|3588| of
|2316| God
|3173| great!
11.
|4337| they were heeding
|1161| And
|0846| him,
|1223| because
|2425| for a long
|5550| time
|3588| with the
|3095| conjuring(sorcery)
|9999| {he}
|1839| had amazed
|0846| them.