How can I use "namely" ?
1. I go to the movies a lot with my family in my free time, namely on my weekends or holidays.
2. I do my evening exercises in a neighboring park. Namely, I usually jog on my own, while other times I take a walk there.
3. In the evening, I usually watch TV my family, namely my wife and our two toddlers.

am i right to use the word "namely " in above sentences?

Question

How can I use "namely" ?
1. I go to the movies a lot with my family in my free time, namely on my weekends or holidays.
2. I do my evening exercises in a neighboring park. Namely, I usually jog on my own, while other times I take a walk there. 
3. In the evening, I usually watch TV my family, namely my wife and our two toddlers.

am i right to use the word "namely " in above sentences?

Answer

In written  AND spoken American English, this word is rarely (if ever?) used anymore.  
 
I wouldn't encourage you to continue using this word, so I am going to give you substitutes/alternative phrases:

1.  I go to the movies a lot with my family in my free time, usually on weekends or holidays.

2.  I do my evening exercises in a neighborhood park.  I usually jog, but sometimes I walk.

3.  In the evening, I frequently watch TV with my wife and our two toddlers.

Answer

I think it is only correctly used with people or things you can name. Perhaps with major holidays that have titles.

For other instances, I would use chiefly or generally.

Hope this helps.

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