Enter
Part of speech: noun
Definition: The "Enter" key on a computer keyboard. A stroke on that key.
Part of speech: verb
Definition: To go into (a room, etc.) To type (something) into a computer; to input
Example sentence: The teacher who is indeed wise does not bid you to enter the house of his wisdom but rather leads you to the threshold of your mind.
Participate
Part of speech: verb
Definition: To join in, to take part, to involve oneself.
Example sentence: I think I'm one of the most patriotic people that I've ever encountered in America. I consider myself a bedrock patriot. I participate very actively in local politics, because my voice might be worthwhile. I participate in a meaningful way - not by donations; I work at it.