caution

[1]	warn , admonish , forewarn , tip (off) , advise , counsel
[2]	monish

[1]	warning , cautiousness , carefulness , admonition , admonishment , caveat , monition , advice , counsel , injunction
[2]	wariness , prudence , care , vigilance , forethought , heed , watchfulness , alertness , circumspection , discretion
[3]	precaution