Unrelated Unconnected Inapplicable Extraneous Immaterial
Participation Engagement Association Entanglement Implication
Include Entail Comprise Engage Implicate
Venture Commitment Outlay Stake Contribution
Inquiry Research Probe Examination Study
Close Familiar Intimate (as a noun) Confidential Affectionate
Interlinked Interrelated Linked Associated Integrated
Communicate Engage Interrelate Correspond Cooperate
Purpose Aim Goal Objective Motive
Combination Merger Amalgamation Synthesis Unification
