Adolescence /ˌæd

factual /ˈfæk.tjʊəl/ adjective
using or consisting of facts
She gave a clear, factual account of the attack.
informative /ɪnˈfɔː.mə.tɪv/ /-ˈfɔːr.mə.t ̬ɪv/ adjective
providing a lot of useful information
This is an interesting and highly informative book.
intrusive /ɪnˈtruː.sɪv/ adjective
affecting someone or something in an annoying, disturbing and unwanted way
intrusive questioning
intrusive lighting
investigate /ɪnˈves.tɪ.geɪt/ verb [ T ]
to examine a crime, problem, statement, etc. carefully, especially to discover the truth
Police are investigating allegations of corruption involving senior executives.
[ + question word ] We are of course investigating how an error like this could have occurred.
mainstream /ˈmeɪn.striːm/ adjective
considered normal, and having or using ideas, beliefs, etc which are accepted by most people
This is the director's first mainstream Hollywood film.
pervasive /pəˈveɪ.sɪv/ /pɚ-/ adjective formal
present or noticeable in every part of a thing or place
The influence of Freud is pervasive in her books.
a pervasive smell of diesel
Reforms are being undermined by the all- pervasive corruption in the country.
realistic /ˌrɪəˈlɪs.tɪk/ /ˌriː.ə-/ adjective
1. accepting things as they are in fact and not making decisions based on unlikely hopes for the future
Let's be realistic ( about this) - I just can't afford to pay that much money.