validation

/ˌvæl.əˈdeɪ.ʃən/

Misollar

I often seek validation from friends.
Don't seek out social validation.
Don't seek validation from assholes.
I don't need his validation.
I don't need your validation.
Narcissistic individuals constantly search for external validation.

ot noun

The act of validating something.
Something, such as a certificate, that validates something; attestation, authentication, confirmation, proof or verification.
The process whereby others confirm the validity of one's emotions.
The process of identifying a new prisoner's gang affiliation.

Manbalar: Wiktionary (Free Dictionary API orqali), Datamuse, Tatoeba (CC BY 2.0 FR), MyMemory.