01/22/2007 AT 08:00 PM EST
Isaiah Washington of Grey's Anatomy
, who apologized for using a gay slur at the Golden Globes, met Monday with gay and lesbian organization leaders and "acknowledged the harm he caused," the groups said in a statement.
"Isaiah understands that he is going to be judged by more than just his apology," Neil G. Giuliano, president of the Gay & Lesbian Alliance Against Defamation, said in the statement. "He knows that his future actions, including the genuine first step that today's meeting represents, will demonstrate his sincerity in becoming part of the solution to anti-gay bigotry."
Kevin Jennings, founder of the Gay, Lesbian & Straight Education Network, was also in the meeting with the actor. He said his group is "hopeful that Isaiah Washington has come to a deeper understanding of the power of words."
He added: "As a parent himself, Isaiah Washington seemed to particularly appreciate the impact these words have on young people."
Gay advocacy groups called for an apology and the meeting after Washington told reporters at the Globes that he never called gay co-star T.R. Knight a "faggot" last year. Knight has said that Washington did use the slur.
last week, saying he could "neither defend nor explain" his behavior and acknowledging "there are issues I obviously need to examine within my own soul."
Washington did not comment on the meeting.