approximating

/AH0 P R AA1 K S IH0 M EY0 T IH0 NG/
verb
  1. 1

    To estimate.

  2. 2

    To come near to; to approach.

  3. 3

    To carry or advance near; to cause to approach.

Source: https://en.wiktionary.org/wiki/approximate, https://en.wiktionary.org/wiki/approximating