The term "looked daggers" is an idiom that describes a person's intense and angry stare. If we were to look for its antonyms, we could consider some of the following options: friendliness, warmth, kindness, compassion, and empathy. These words connote a positive and supportive attitude towards others, rather than the threatening or hostile gaze implied by "looking daggers." They reflect a person's capacity to show understanding, generosity, and open-mindedness, fostering connection and harmony in their relationships. So, instead of looking daggers at someone, we could choose to look at them with a smile, a nod, or a gesture of goodwill, paving the way for a more peaceful and mutually enriching interaction.