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contingent (adjective)

    Possible or liable, but not certain to occur; incidental; casual.
    Dependent on something that is undetermined or unknown.
        e.g.: The success of his undertaking is contingent upon events which he can not control.
    Dependent on something that may or may not occur.
        e.g.: a contingent estate
    Not logically necessarily true or false.

profound (adjective)

    Descending far below the surface; opening or reaching to great depth; deep.
    Very deep; very serious
    Intellectually deep; entering far into subjects; reaching to the bottom of a matter, or of a branch of learning; thorough; as, a profound investigation or treatise; a profound scholar; profound wisdom.
    Characterized by intensity; deeply felt; pervading; overmastering; far-reaching; strongly impressed; as, a profound sleep. ?
    Bending low, exhibiting or expressing deep humility; lowly; submissive; as, a profound bow.

treatise (noun)

    A formal, usually lengthy, systematic discourse on some subject.

discourse (noun)

    Verbal exchange, conversation.
    Expression in words, either speech or writing.
    A formal lengthy exposition of some subject, either spoken or written.
        e.g.: The preacher gave us a long discourse on duty.
    Any rational expression, reason.
    An institutionalized way of thinking, a social boundary defining what can be said about a specific topic (after Michel Foucault).
 
exposition (noun)

    The action of exposing something to something, such as skin to the sunlight.
    The act of declaring or describing something through either speech or writing.

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