Inherited from Malay serasi. Equivalent to se- (“one”) +‎ rasi (“astrology”), related to divine a match of a human using zodiacs.

• (Standard Indonesian) IPA^(key): /səˈrasi/ [səˈra.si]
• Rhymes: -asi
• Syllabification: se‧ra‧si

sêrasi (comparative lebih serasi, superlative paling serasi)

1. compatible, harmonious, congenial

   Synonyms: cocok, sesuai, kena benar, selaras, sepadan, harmonis

• “serasi”, in Kamus Besar Bahasa Indonesia [Great Dictionary of the Indonesian Language] (in Indonesian), Jakarta: Agency for Language Development and Cultivation – Ministry of Education, Culture, Research, and Technology of the Republic of Indonesia, 2016
• Mien A. Rifai; Ratna Siri Hadioetomo; Indrawati Ganjar (1992), Kamus Mikrobiologi [Dictionary of Microbiology] (in Indonesian), Jakarta: Pusat Pembinaan dan Pengembangan Bahasa, Departemen Pendidikan dan Kebudayaan, →ISBN, page 131: “serasi”