caution

/ˈkɑːʃ(ə)n/

IPA: /K AA1 SH AH0 N/

noun
  1. 1

    Precept or warning against evil or danger of any kind; exhortation to wariness; advice; injunction; prudence in regard to danger; provident care

  2. 2

    A careful attention to the probable effects of an act, in order that failure or harm may be avoided

    The guideline expressed caution against excessive radiographic imaging.

  3. 3

    Security; guaranty; bail.

  4. 4

    One who draws attention or causes astonishment by their behaviour.

    Oh, that boy, he's a caution! He does make me laugh.

  5. 5

    A formal warning given as an alternative to prosecution in minor cases.

  6. 6

    A yellow card.

verb
  1. 1

    To warn; to alert, advise that caution is warranted.

  2. 2

    To give a yellow card

Source: https://en.wiktionary.org/wiki/caution