Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb had_best

1 sense of had best

Sense 1
do well, had best -- (act in one's own or everybody's best interest; "You will do well to arrive on time tomorrow!")
       => act, move -- (perform an action, or work out or perform (an action); "think before you act"; "We must move quickly"; "The governor should act on the new energy bill"; "The nanny acted quickly by grabbing the toddler and covering him with a wet towel")