ଅର୍ଥ : Act in one's own or everybody's best interest.
ଉଦାହରଣ :
You will do well to arrive on time tomorrow!.
ସମକକ୍ଷ : do well
Had best ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Marathi. Had best ka matlab kya hota hai?