馴染 なじませる
najimaseru

Ichidan Verb

1. to blend (something) in; to spread (on) thoroughly; to apply evenly (to the skin, hair, etc.)

Transitive
Usually Written in Kana
Ichidan Verb

2. to make (something or someone) used to (an environment, etc.); to adapt; to acclimatize; to make (someone) fit in

Transitive
Related to 馴染む