examine

verb

1. To observe or inspect carefully or critically.

   “He examined the crime scene for clues.”

   “She examined the hair sample under a microscope.”

   “Well, nobody knows about the little things / Nobody knows what they really mean / Nobody ever wants to take the time / To examine what's on your mind”

   “With fresh material, taxonomic conclusions are leavened by recognition that the material examined reflects the site it occupied; a herbarium packet gives one only a small fraction of the data desirable for sound conclusions. Herbarium material does not, indeed, allow one to extrapolate safely: what you see is what you get[…]”

   “The new study examines development activities for different AI technologies worldwide.”

2. To check the health or condition of something or someone.

   “The doctor examined the patient.”

3. To determine the aptitude, skills or qualifications of someone by subjecting them to an examination.
4. To interrogate.

   “The witness was examined under oath.”

noun

1. (informal)An act of examining.

   “Soutar scratched the back of his neck then had a quick examine of his nails. Deep-ingrained purple they were.”