inquisitive
1. [ adjective ] showing curiosity
Synonyms: questioning wondering speculative
Examples:

"if someone saw a man climbing a light post they might get inquisitive" "raised a speculative eyebrow"

Related terms: curious
2. [ adjective ] inquiring or appearing to inquire
Examples:

"an inquiring look" "the police are proverbially inquisitive"

Related terms: inquiring
Similar spelling:   inquisitively
  incisive
  inquisition
  inquisitor
  incisively
  inquisitory
  insistent
  incisiveness
  inquisitorial
  insistency
  insistence
  injustice
  insistently
  insisting