intend, v. [design], [purpose], propose, contemplate, [plan].
intended, n. fiancé ([male]), fiancée ([female]).
intense, a. [extreme], excruciating.
intensify, v. [aggravate], exacerbate, heighten.
intention, n. [design], [plan], [purpose], [aim].
intentional, a. [deliberate], premeditated. Antonyms: [unintentional], inadvertent, [accidental].
intercede, v. mediate, interpose, propitiate.
intercession, n. [mediation], interposition, propitiation.
intercessor, n. [mediator], interceder, propitiator, make-peace.
interchange, n. reciprocation, [reciprocity], permutation; alternation.