The power that comes through the connectedness of one's words matching one's feelings, body and facial expressions in the communication process is known as

Congruence is the power arising when one's words align with one's feelings, body and facial expressions in communication.

Conformity means adjusting oneself to group norms and pressures, not this inner-outer alignment.

Collaboration is working jointly with others, unrelated to the matching of words and expression.

Control refers to influencing or directing others, again not the congruence of message and demeanour.

Congruent communication builds credibility because the verbal and non-verbal channels agree.

A mismatch between words and body language instead breeds distrust.