1) an act with special clothes, actions etc, such as a wedding, funeral, the opening of a new public building etc (ceremony)

2) (of bad behaviour, actions etc) thorough (downright)

3) the theory that our actions are always caused by the desire to benefit ourselves (egoism)

4) a reason given (true or invented) to explain or defend one's behaviour or actions (excuse)

5) an individual's personal power of guiding and choosing her or his actions (free will)

6) to (try to) copy the behaviour, appearance, sound, actions etc of (a person, animal, thing) (imitate)

7) (the use of) the power to affect a person's character, belief or actions or to get a result e.g. because of a strong personality, wealth etc (influence)

8) the use of only actions and facial expressions to tell a story (mime)

9) to go back over or along (something); to go over (past actions etc) in the mind (retrace)

10) words or actions intended to make people rebel against authority, disobey the government etc (sedition)