head off

verb
  1. 1

    To begin moving away.

    โ€œWe will head off on our holidays tomorrow.โ€

  2. 2

    To intercept.

    โ€œThe cavalry will head off the bandits at the pass.โ€

  3. 3

    To avoid the undesirable consequences of; prevent.

    โ€œThe government took steps to head off summertime shortages of gasoline.โ€

  4. 4

    To turn away from the wind.

Synonyms

Source: https://en.wiktionary.org/wiki/head%20off