sift

Short definition from Wiktionary

Verb

1. 1
   To sieve or strain (something).
2. 2
   To separate or scatter (things) as if by sieving.
3. 3
   To examine (something) carefully: To scrutinize (someone or something) carefully so as to find the truth.
4. 4
   To examine (something) carefully: [with through] To carefully go through a set of objects, or a collection of information, in order to find something.
5. 5
   To move data records up in memory to make space to insert further records.

Noun

1. 1
   An act of sifting.

Proper noun

1. 1
   Initialism of scale-invariant feature transform.
2. 2
   Initialism of Selection Instrument Flight Training.