THURSDAY FEB 25

Those still recovering from the Monet show can get their next impressionist fix at the MFA's new exhibit, "Mary Cassatt: Modern Woman." Through May 9. Museum of Fine Arts, 465 Huntington Ave. 267-9300. Saturday and Sunday, 10 a.m. to 5:45 p.m.; Monday and Tuesday, 10 a.m. to 4:45 p.m.; Wednesday through Friday, 10 a.m. to 9:45 p.m. FREE with Harvard ID.

AIDS Action Committee Volunteer Orientations. 131 Clarendon St., fourth floor. 450-1235. 5:30-9 p.m. FREE.

Boston Symphony Orchestra's James Ehnes on violin: Vivaldi's "The Four Seasons" and Stravinsky's "Suite from Pulcinella." 301 Mass. Ave. Call SymphonyCharge at (888) 266-1200 for tickets. 8 p.m. $24-$74.

In conjunction with "Outwrite 99," an annual Boston conference of gay, lesbian and bisexual writers, readers and publishers, the Annual "Outwrite" Conference Readings from gay and lesbian authors at the Boston Public Library, Rabb Lecture Hall, Copley. 536-5400, ext. 336. 7 p.m. FREE.

"He's certainly embiggened that role with his kromulence." Busch-Reisinger Museum displays newly-invented words by Adib Fricke, The Word Company. Enjoy Fricke's "protonyms" such as "smorp," "yemmels" and "ontom." Through May 2. 32 Quincy St. 495-2397. FREE.

Never Too Late Film Program at the boston Public Library presents "Tryin' to Get Home: a history of African-American song." Copley. 536-5400, ext. 296. 2 p.m. FREE.

Creative Writing Workshop led by Kathy Kire, adult services librarian. Mezzanine Conference Room, Boston Public Library, Copley. 536-5400, ext. 339. 6:30 p.m. FREE.

Suzanne Vega reads from her "The Passionate Eye" at Waterstone's, 26 Exeter St. 859-3038. 7 p.m. FREE.

The Mobius group's Marjorie Morgan presents "Low Key," an evening of performance art, dance and music exploring the "causes and reality of schisms within one woman." 354 Congress St. 542-7416.8 p.m. $8.

Last showing of Alfred Hitchcock's "Psycho" in 35 mm the Brattle Theater, 40 Brattle St. 876-6837. 3:15, 5:30, 7:45 and 10 p.m. $7.