Concordancia Strong's

1) to purify, select, polish, choose, purge, cleanse or make bright, test or prove
1a) (Qal)
1a1) to purge, purge out, purify
1a2) to choose, select
1a3) to cleanse, make shining, polish
1a4) to test, prove
1b) (Niphal) to purify oneself
1c) (Piel) to purify
1d) (Hiphil)
1d1) to purify
1d2) to polish arrows
1e) (Hithpael)
1e1) to purify oneself
1e2) to show oneself pure, just, kind