Are lying and gaslighting the same thing?

So one of my best guy friends today whom I decided to stick around with despite what happened in the beginning did something wrong when we first met. Basically he was gonna turn 18 in a month and a half and was actually 17 and after countless times of me asking for his age and him kind of going around the question, he (under pressure I guess) answered 18 fearing I was gonna ghost him. He stuck with this lie for about a month even though I asked him sporadically if he was really 18 and sometimes as a joke. He always answered “yes” and once he answered “do you not trust me?” Even though he knew he was lying. Finally one day it was too much for him and he came clean and told me he didn’t mean to hurt me and that he was selfish in lying. He also said he understood if I wanted to leave and not talk. I was extremely hurt and mad but after a couple of weeks I forgave him and now 5-6 months later we’re best friends and continue talking every day and I trust him again as he has proven to me he was just scared and wasn’t really a compulsive liar. Anyways I guess my question is was this gaslighting or just a lie that went too far? My understanding of a gaslighter is a person who is wanting to gain power over the victim’s mind and have no mercy when lying so I don’t think he was gaslighting me as he was just trying to save his ass rather than controlling me. But just wanted to ask other people.

Are lying and gaslighting the same thing?
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