This is the 4150th most frequent Spanish word.
igualmente
"Equally" or "likewise."
Here, 'igualmente' is used as a reply to send back the sentiment previously expressed, similar to 'same to you'.
Disfruta tu día igualmente.
Enjoy your day as well.
In this sentence, 'igualmente' expresses a condition of persistence, meaning 'in any case' or 'anyway'.
Estaré en la reunión igualmente, aunque llegue tarde.
I will attend the meeting anyway, even if I arrive late.
Here, 'igualmente' is used to indicate equality or onto the same degree, translating as 'equally'.