straightens

/S T R EY1 T AH0 N Z/
verb
  1. 1

    To cause to become straight.

  2. 2

    To become straight.

  3. 3

    To put in order; to sort; to tidy up.

    โ€œto straighten one's affairs, or an accountโ€

  4. 4

    To clarify a situation or concept to (an audience).

  5. 5

    To bribe or corrupt.

  6. 6

    To stand up, especially from a sitting position.

Source: https://en.wiktionary.org/wiki/straighten, https://en.wiktionary.org/wiki/straightens