Also found in: Medical.
1. Of, relating to, or resembling: Bostonian.
2. One relating to, belonging to, or resembling: academician.
[Middle English -ien, -ian, from Old French -ien, from Latin -iānus, adj. and n. suff.]
a variant of -an: Etonian; Johnsonian.
[from Latin -iānus]
a suffix with the same meaning and properties as -an1; -ian is now the more productive of the two suffixes in recent coinages, esp. when the base noun ends in a consonant: Orwellian; Washingtonian.