Group 1 analyse, verb consider in detail and subject to an analysis in order to discover essential features or meaning break down into components or essential features make a mathematical, chemical, or grammatical analysis of

normal, noun
something regarded as a normative example

normal, adj
conforming with or constituting a norm or standard or level or type or social norm; not abnormal
serve wine at normal room temperature
in accordance with scientific laws
being approximately average or within certain limits in e.g. intelligence and development
a perfectly normal child
forming a right angle

obtain, verb
come into possession of
How did you obtain the visa?
receive a specified treatment (abstract)
be valid, applicable, or true

participate, verb
share in something
become a participant; be involved in

perceive, verb
to become aware of through the senses
I could perceive the ship coming over the horizon
become conscious of
She finally perceived the futility of her protest

positive, noun
the primary form of an adjective or adverb; denotes a quality without qualification, comparison, or relation to increase or diminution
a film showing a photographic image whose tones correspond to those of the original subject

positive, adj
characterized by or displaying affirmation or acceptance or certainty etc.
a positive attitude
persuaded of; very sure
involving advantage or good
indicating existence or presence of a suspected condition or pathogen
a positive pregnancy test
formally laid down or imposed
positive laws

potential, noun
the inherent capacity for coming into being
the difference in electrical charge between two points in a circuit expressed in volts