verb (used with object), thought, think·ing.
‍to have or form in the mind as an idea, conception, etc.

unusual ^{[ uhn-yoo-zhoo-uhl, -yoozh-wuhl} not common, or ordinary; uncommon in amount or degree; exceptional:an unusual sound.

constant ^{[ kon-stuhnt ]} adjective
constant noise. regularly recurrent;
‍faithful; unswerving in love, devotion

perception ^{[ per-sep-shuhn ]
‍}the act or faculty of perceiving, or apprehending by means of the senses of the mind; cognition; understanding.immediate or intuitive recognition, artist of rare perception.