My bad! (making and accepting apologies)

admit

to agree that something is true, especially something negative — e.g. "She admitted that she had made a mistake."

forgive

to stop feeling angry with someone for something they did wrong — e.g. "It took her a long time to forgive him for lying."

make excuses

to give reasons, often weak or dishonest ones, to explain why you did something wrong — e.g. "He's always making excuses for being late."

deliberately

done on purpose, not by accident — e.g. "She deliberately ignored his message."

signature

a distinctive feature or style that is typical of a particular person — e.g. "Her warm smile is her signature quality."

fortunately

used to say that something good happened or that a bad situation was avoided — e.g. "Fortunately, nobody was hurt in the accident."