Acronyms that contain the term mettā 

Mettā

Mettā or maitrī is benevolence, friendliness, amity, friendship, good will, kindness, close mental union, and active interest in others. It is one of the ten pāramīs of the Theravāda school of Buddhism, and the first of the four sublime states. This is love without clinging. The cultivation of benevolence is a popular form of meditation in Buddhism. In the Theravadin Buddhist tradition, this practice begins with the meditator cultivating benevolence towards themselves, then one's loved ones, friends, teachers, strangers, enemies, and finally towards all sentient beings. In the Tibetan Buddhist tradition, this practice is associated with tonglen, whereby one breathes out happiness and breathes in suffering. Tibetan Buddhists also practice contemplation of the Brahmavihāras, also called the four immeasurables, which is sometimes called 'compassion meditation'. "Compassion meditation" is a contemporary scientific field that demonstrates the efficacy of metta and related meditative practices.

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