FIXATE
fixate, settle on
(verb) become fixed (on); “Her eyes fixated on a point on the horizon”
fixate, fix
(verb) make fixed, stable or stationary; “let’s fix the picture to the frame”
fixate
(verb) pay attention to exclusively and obsessively; “The media are fixating on Princess Diana’s death”
fixate
(verb) attach (oneself) to a person or thing in a neurotic way; “He fixates on his mother, even at the age of 40”
Source: WordNet® 3.1
Verb
fixate (third-person singular simple present fixates, present participle fixating, simple past and past participle fixated)
(transitive) To make something fixed and stable; to fix.
To stare fixedly at something.
(intransitive) To attend to something to the exclusion of all others; used with on.
(intransitive, psychology) To attach oneself to a person or thing in a pathological or neurotic manner; used with on.
Source: Wiktionary